Question

Let f(x) = x 7 and g(x) = x − 4. find f(x) ⋅ g(x). select one:

a. x2 − 3x −28
b. x2 − 3x − 11
c. x2 3x − 28
d. x2 3x − 11

Answer 1

f(x) = x + 7
g(x) = x - 4
f(x) ⋅ g(x) = (x + 7)(x - 4) = x^2 - 4x + 7x - 28 = x^2 + 3x - 28