Given that f(x) = −x + 4 and g(x) = −2x − 3, solve for f(g(x)) when x = 2.

Do g(2) first:  g(2) = -2*2 - 3 = -7

Put this into f:  f(g(2)) = -(-7) + 4 = 7 + 4 = 11

.