Given f (x) = x2 + 8x - 20 and
g(x) = 4x - 10, what is (f×g)(x)

A
4x2 + 32x - 90

B
16x2 - 48x

C
16x2 + 32x - 200

D
4x3 +22x2 - 160x + 200

Consider the function represented by the equation 1/2 j + 1/4 k equals 3 which shows the equation written in function notation with j as the independent variable

Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.

Is this a polynomial function? i need to know asap