Question

5. Which equation could best be used to determine the value of f(3) for the function f(x) = 2x + 4?
A. f(3) = 23 + 4
B. f(3) = 2(3) + 4
C. f(3) = 3(2x) + 4
D. f(3) = 3(3x + 4)

Answer 1

Answer:

B

Step-by-step explanation:

B f(3) = 2(3) + 4

f(x) = 2x + 4,

f(3) we substitute 3 instead of x.

Hope this helps.