For the function f(x)=(7-8x)^2, find f^-1 , determine if f^-1 is a function.

This is my question~~ ( r ^ 4 - 2r ^ 3 - 23 r ^ 2 - 4r - 32)÷(r+4) ~~ i must use long division to solve it : / i was wondering if anyone world like to solve it. and if so, share step-by-step explanations! you! ❤

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i