Question #104259
Is the graph of y = sin(x
5
) increasing or decreasing when
x = 12? (enter increasing, decreasing, or neither).
Is it concave up or concave down? (enter up, down,
or neither).
1
Expert's answer
2020-03-06T11:16:43-0500

f(x)=sinx5;f(x)=\sin x^5;

f=5x4cosx5;f(12)=5124cos(125)=5124514>0f'=5x^4\cos x^5; f(12)=5*12^4\cos(12^5)=5*12^4\frac{\sqrt{5}-1}{4}>0

Hence the graph is increasing.

f=20x3cosx525x8sinx5;f(12)<0f''=20x^3\cos x^5-25x^8\sin x^5; f''(12)<0

Hence the graph concaves down.



Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!
LATEST TUTORIALS
APPROVED BY CLIENTS