Question

PLEASE HELP ME!!!!

Given that f(x)=x+2 and g(x)=3x^2-1. What is (fg)(x)?

Answer: ???
PLEASE EXPLAIN YOUR REASONING!!

Answer 1

• (fg)(x)=f(x)×g(x)
• (x+2)(3x²-1)
• x(3x²-1)+2(3x²-1)
• 3x³-x+6x²-2
• 3x³+6x²-x-2

Done!