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Nonamiya [84]
2 years ago
8

Graph y=sin^-1 (1/4 x) on the interval -5≤x≤5.

Mathematics
1 answer:
GaryK [48]2 years ago
4 0

Answer:

D

Step-by-step explanation:

The arcsine (\sin^{-1}) function of x is defined as the inverse sine function of x when -1≤x≤1.

So, when

-4\le x\le 4,

we have that

-1\le \dfrac{1}{4}x\le 1.

This gives us the domain -4\le x\le 4 of the function y=\sin^{-1}\left(\dfrac{1}{4}x\right).

The range of the function y=\sin^{-1}x is -\dfrac{\pi }{2}\le x\le \dfrac{\pi }{2}, so the range of the function y=\sin^{-1}\left(\dfrac{1}{4}x\right) is the same (options A and C are false).

When x=-4,

y=\sin^{-1}\left(\dfrac{1}{4}\cdot (-4)\right)=\sin^{-1}(-1)=-\dfrac{\pi}{2}.

So, option B is false and option D is true.

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