Question

What’s the value of f(5)?

Answer 1

Answer:

f(5) = 25

Step-by-step explanation:

f(x) = 3x + 10

f(5) = 3(5) + 10

f(5) = 15 + 10

f(5) = 25

Answer 2

Answer:

f(5) = 25

Step-by-step explanation:

f(x) = 3x + 10

Let x = 5

f(5) = 3*5+10

      = 15+10

      = 25