Answer:
f(5)=14
Step-by-step explanation:
f(5)=2(5)+4
f(5)=10+4
14
Ignore the f(x) for now.
x is 5, so we plug it in to get 2*5+4. Using PEMDAS, you multiply 2 and 5 to get 10 and add 4 to get 14.