What is the extreme f(x)=4sin^2(x),0<= x<= pi ?

The extreme f(x)=4sin^2(x),0<= x<= pi is Minimum(0,0),Maximum(pi/2 ,4),Minimum(pi,0)

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extreme f(x)=4sin^2(x),0<= x<= pi

extreme

Minimum (0, 0), Maximum (\frac{π}{2}, 4), Minimum (π, 0)

Solution steps

Find the critical points:

x = 0, x = \frac{π}{2}, x = π

Domain of

4 sin^{2} (x), 0 \leq x \leq π : 0 \leq x \leq π

Find intervals:

Increasing

: 0 < x < \frac{π}{2},

Decreasing

: \frac{π}{2} < x < π

Plug the extreme point

x = 0

into

4 sin^{2} (x) \Rightarrow y = 0

Minimum (0, 0)

Plug the extreme point

x = \frac{π}{2}

into

4 sin^{2} (x) \Rightarrow y = 4

Maximum (\frac{π}{2}, 4)

Plug the extreme point

x = π

into

4 sin^{2} (x) \Rightarrow y = 0

Minimum (π, 0)

Minimum (0, 0), Maximum (\frac{π}{2}, 4), Minimum (π, 0)

What is the extreme f(x)=4sin^2(x),0<= x<= pi ?
The extreme f(x)=4sin^2(x),0<= x<= pi is Minimum(0,0),Maximum(pi/2 ,4),Minimum(pi,0)