Finding the domain of an Integral












2














I'm trying to figure out what the domain of this function is.



enter image description here



I was thinking that the domain could be the maximum and minimum amounts of area that is accumulated, but I feel like that's the range of the function rather than the domain. Could anyone point me in the right direction to solve this question?










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    2














    I'm trying to figure out what the domain of this function is.



    enter image description here



    I was thinking that the domain could be the maximum and minimum amounts of area that is accumulated, but I feel like that's the range of the function rather than the domain. Could anyone point me in the right direction to solve this question?










    share|cite|improve this question



























      2












      2








      2


      1





      I'm trying to figure out what the domain of this function is.



      enter image description here



      I was thinking that the domain could be the maximum and minimum amounts of area that is accumulated, but I feel like that's the range of the function rather than the domain. Could anyone point me in the right direction to solve this question?










      share|cite|improve this question















      I'm trying to figure out what the domain of this function is.



      enter image description here



      I was thinking that the domain could be the maximum and minimum amounts of area that is accumulated, but I feel like that's the range of the function rather than the domain. Could anyone point me in the right direction to solve this question?







      integration definite-integrals






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      edited Dec 3 '18 at 9:31









      Emilio Novati

      51.5k43472




      51.5k43472










      asked Dec 3 '18 at 9:00









      kydd

      197




      197






















          1 Answer
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          active

          oldest

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          2














          From the figure we see that the limit of integration is:



          $$
          0le 2x-1 le 6
          $$



          because the function $f(t)$ is:
          $$
          f(t)=begin{cases}
          sqrt{4-(t-2)^2} quad for quad 0le t le 4\
          sqrt{}1-(t-5)^2 quad for quad 4le t le 6
          end{cases}
          $$



          from which you can find the domain of the function: $[frac{1}{2},frac{7}{2}]$.



          And , as you say, the range is the interval between the minimum and maximum values of the area: $[0,2pi]$.






          share|cite|improve this answer























          • The minimum value of $h(x)=0$ at $x=1/2$
            – Shubham Johri
            Dec 3 '18 at 10:00










          • Yes, ...My stupid mistake! Thank you :)
            – Emilio Novati
            Dec 3 '18 at 10:04











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          1 Answer
          1






          active

          oldest

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          active

          oldest

          votes






          active

          oldest

          votes









          2














          From the figure we see that the limit of integration is:



          $$
          0le 2x-1 le 6
          $$



          because the function $f(t)$ is:
          $$
          f(t)=begin{cases}
          sqrt{4-(t-2)^2} quad for quad 0le t le 4\
          sqrt{}1-(t-5)^2 quad for quad 4le t le 6
          end{cases}
          $$



          from which you can find the domain of the function: $[frac{1}{2},frac{7}{2}]$.



          And , as you say, the range is the interval between the minimum and maximum values of the area: $[0,2pi]$.






          share|cite|improve this answer























          • The minimum value of $h(x)=0$ at $x=1/2$
            – Shubham Johri
            Dec 3 '18 at 10:00










          • Yes, ...My stupid mistake! Thank you :)
            – Emilio Novati
            Dec 3 '18 at 10:04
















          2














          From the figure we see that the limit of integration is:



          $$
          0le 2x-1 le 6
          $$



          because the function $f(t)$ is:
          $$
          f(t)=begin{cases}
          sqrt{4-(t-2)^2} quad for quad 0le t le 4\
          sqrt{}1-(t-5)^2 quad for quad 4le t le 6
          end{cases}
          $$



          from which you can find the domain of the function: $[frac{1}{2},frac{7}{2}]$.



          And , as you say, the range is the interval between the minimum and maximum values of the area: $[0,2pi]$.






          share|cite|improve this answer























          • The minimum value of $h(x)=0$ at $x=1/2$
            – Shubham Johri
            Dec 3 '18 at 10:00










          • Yes, ...My stupid mistake! Thank you :)
            – Emilio Novati
            Dec 3 '18 at 10:04














          2












          2








          2






          From the figure we see that the limit of integration is:



          $$
          0le 2x-1 le 6
          $$



          because the function $f(t)$ is:
          $$
          f(t)=begin{cases}
          sqrt{4-(t-2)^2} quad for quad 0le t le 4\
          sqrt{}1-(t-5)^2 quad for quad 4le t le 6
          end{cases}
          $$



          from which you can find the domain of the function: $[frac{1}{2},frac{7}{2}]$.



          And , as you say, the range is the interval between the minimum and maximum values of the area: $[0,2pi]$.






          share|cite|improve this answer














          From the figure we see that the limit of integration is:



          $$
          0le 2x-1 le 6
          $$



          because the function $f(t)$ is:
          $$
          f(t)=begin{cases}
          sqrt{4-(t-2)^2} quad for quad 0le t le 4\
          sqrt{}1-(t-5)^2 quad for quad 4le t le 6
          end{cases}
          $$



          from which you can find the domain of the function: $[frac{1}{2},frac{7}{2}]$.



          And , as you say, the range is the interval between the minimum and maximum values of the area: $[0,2pi]$.







          share|cite|improve this answer














          share|cite|improve this answer



          share|cite|improve this answer








          edited Dec 3 '18 at 10:03

























          answered Dec 3 '18 at 9:39









          Emilio Novati

          51.5k43472




          51.5k43472












          • The minimum value of $h(x)=0$ at $x=1/2$
            – Shubham Johri
            Dec 3 '18 at 10:00










          • Yes, ...My stupid mistake! Thank you :)
            – Emilio Novati
            Dec 3 '18 at 10:04


















          • The minimum value of $h(x)=0$ at $x=1/2$
            – Shubham Johri
            Dec 3 '18 at 10:00










          • Yes, ...My stupid mistake! Thank you :)
            – Emilio Novati
            Dec 3 '18 at 10:04
















          The minimum value of $h(x)=0$ at $x=1/2$
          – Shubham Johri
          Dec 3 '18 at 10:00




          The minimum value of $h(x)=0$ at $x=1/2$
          – Shubham Johri
          Dec 3 '18 at 10:00












          Yes, ...My stupid mistake! Thank you :)
          – Emilio Novati
          Dec 3 '18 at 10:04




          Yes, ...My stupid mistake! Thank you :)
          – Emilio Novati
          Dec 3 '18 at 10:04


















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