Question

Is it f(2)=10 ? I don’t get number 2.

Answer 1

f(2) = 10 and f(3) = 13

Explanation:

In this context f(2) means "what is y when x equals 2?" How about when x = 3? So we plug the values into the equation and solve for f(x) - which is basically what we called "y" in algebra.

Answer 2

10

Explanation:

f(2)=

3(2)+4

3x2+4

using PEMDAS multiplication comes first

6+4

=10