1. Find F(2) if f(x) = 8x+15/9x-3 2. Find the Domain of F(x) = x+8/x-7

3. R(x)= 8x+3/x^3 - 4x^2 + 3x

What is the quadric regression equation that fits these data

Which of the following is the result of expanding the series

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap