Answer:
The answer to your question is letter b) 21
Step-by-step explanation:
Question: f(g(-1)) = ?
F(x) = 2x -3 g(x) = x2 + 11
f(g(x)) = 2(x2 + 11) -3 simplify
f(g(x) = 2x2 +22 - 3 = 2x2 +19 first result
f(g(-1)) = 2(-1)2 + 19 substitution
= 2(1) + 19 simplify
= 2 + 19
= 21 last result
