F(x)=4x+1 and g(x)=x^2-5 find (f•g)(x)

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asked May 21, 2018 7.7k views

2 Answers

Daniel Illescas · Answer 1 · 2018-05-23T05:30:08+0000

(f•g)(x) signifies the product of f(x) and g(x). Thus, you must multiply the given f(x) and g(x):

f(x)*g(x) = (4x+1)*(x^2-5). Note that the parentheses are essential here.

(f•g)(x) thus equals 4x^3 - 20x +x^2 - 5, or 4x^3 + x^2 - 20x - 5 (answer)

F(x)=4x+1 and g(x)=x^2-5 find (f•g)(x)

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