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; check my answer

The function given to us is :

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

This matches with the option B =

Hence, your answer (B) is correct.