Question

If f(x) = 2x + 1, then f(3) = ?

Answer 1

Answer:

D, 9

Step-by-step explanation:

F(x)=2^x+1

f(3)=2^3+1

f(3)=8+1

f(3)=9

Answer 2

It’s 28 because you are inputting 3 for x. 2^3 is 27, and then you add 1 so it would be 28.