Question

F(x) = 2x-1
What is f(13)?

Answer 1

f(13)=2x-1, x=7

Explanation:

7*2=14, 14-1=13

vise versa

f(13)=2(7)-1

Answer 2

Answer: 25

Step-by-step explanation: Easy. Just substitute 13 for x into the equation. f(13)=2(13)-1

= 26-1

= 25