Answer:
f(-2) = 6
Step-by-step explanation:
f(-2) = 3( -2 + 4)
f(-2) = (-6 + 12)
To find f(-2) we simply replace "x" in the functional expression with "-2" and evaluate the numerical answer:
f(x) = 3 (x + 4)
then
f(-2) = 3 (-2 +4) = 3 (2) = 6
