Question

Use f(x)g(x) to answer the question

f(x)=x+4
g(x)=x−2
What is the product (f⋅g)(x)?

1)2x+2
2)x2+2x−8
3)x2+2x−8
4)x2+6x+8

Answer 1

x^2+2x-8

Explanation:

• f(x)×g(x)
• (x+4)(x-2)
• x^2-2x+4x-8
• x^2+2x-8

Also, answers 2 and 3 are the same.