Answer:
1. 19.
2. -7.
Step-by-step explanation:
1. Put x = 2 then simplify:
f(x) = 2(3^x) + 1
f(2) = 2(3^2) + 1
= 2*9 + 1
= 18 + 1
= 19.
2. f(-3) = 4(-3) + 5
= -12 + 5
= -7.
