Answer:
[tex]\Large \boxed{f(3)=11}[/tex]
Step-by-step explanation:
[tex]f(x)=2x+5[/tex]
For f(3), the input for the function f(x) is 3.
Let x (input) = 3.
[tex]f(3)=2(3)+5 \\\\ f(3)=6+5 \\\\ f(3)=11[/tex]
11
f(x)=2x+5
Let x = 3
f(3) = 2*3+5
= 6+5
= 11
