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

asked Nov 17, 2017 72.3k views

3 votes

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

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3 votes

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

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