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Which function is a horizontal compression of its parent function f(x)=x^7 by a factor of 4?

a - q(x)=(1/4 x)^7
b - r(x)=(4x)^7
c - s(x)=4x^7
d - t(x)=1/4 x^7

i think it’s B; please check my answer

2 Answers

1 vote

B is the correct answer. If you're doing the quickcheck its CACB

User Vinil Chandran
by
8.6k points
5 votes

The function given to us is :
f(x) = {(x)^7}

We want to see which function represents the horizontal compression of f(x) by a factor of 4

We can compress a function horizontally by multiplying the x by a constant number, in this case multiplying x by 4

So horizontal compression of
f(x) = {(4*x)^7}

This matches with the option B =
r (x) = {(4*x)^7}

Hence, your answer (B) is correct.

User BenRoob
by
8.4k points

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