Question

Evaluate the function It's Pre-Calculus f(x) = 2x2 + 1 and g(x) = x − 4. (fg)(−4)

Answer 1

Answer is in the pic.

Answer 2

Step-by-step explanation:

fg(-4)=f(-4)*g(-4)

since given f(x)=2x²+1 => f(-4)=33

and g(x)= x-4 => g(-4)= -8

thus fg(-4)=(33)*(-8)= -264

Ans. -265