What happens to the function f(x) = acosx when the value of a increases? the period decreases. the period increases. the amplitude decreases. the amplitude increases.

This is the answer I got on edge 2020. Hope this reaches someone who needs it!

(quarantine 2020)

In the given function if the value of a increases then:

The amplitude of a sine or cosine function is the maximum distance it could go above or down the mid-line of the function.

The cosine function f(x) is given by:

where |a| denote the amplitude of the function.

( The amplitude of the function:

is 1 )

Also, the period of this function is: 2π

Hence, if a increases then the amplitude of the function will increase.

rounding to the nearest thousandth would be 452,000

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