Answer:
11
Step-by-step explanation:
We evaluate W(x)=3•3^x+3 + 2 at x = -2 by substituting -2 for each instance of x:
But first note that we must enclose x + 3 inside parentheses:
W(x)=3•3^(x+3) + 2.
Substituting -2 for x, we get:
W(-2)=3•3^(-2+3) + 2, or
W(-2)=3•3^(1) + 2, or
W(-2)=9 + 2 = 11
