Answer:
17
Step-by-step explanation:
3(5) + 2 = 15 + 2
= 17
Therefore x= 17
[tex]\huge\boxed{f(5)=17}[/tex]
[tex]f(x)=3x+2\\\\f(5)=?\\\\\text{substitute}\ x=5\ \text{to}\ f(x):\\\\f(5)=3(5)+2=15+2=17[/tex]
