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

Step-by-step explanation:

For example,

If we wanted to horizontally compress , we would multiply by 4 to get , and

if we wante to horizontally expand , we would multiply by to get

Since this question asks for horizontal compression, we multiply the of the function by 4. So the function we need is . The second choice is correct.

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72