Using distributive property, write an equivalent expression for 21x + 7 PL

If f(x)=2x^6+x^2+2 then what is the remainder when f(x)is divided by x+2

Abouncy ball is dropped such that the height of its first bounce is 5.5 feet and each successive bounce is 64% of the previous bounce's height. what would be the height of the 7th bounce of the ball? round to the nearest tenth (if necessary).

What is the inverse of the function f(x) = 2x + 1?