Answer: f(2) + f(5) is 4.
Step-by-step explanation:
First input the values for x and solve for f(x) and then add their results.
f(2) = 2(2) -5
f(2) = 4 - 5
f(2) = -1
f(5) = 2(5) - 5
f(5) = 10 -5
f(5) = 5
Now add the results which is -1 and 5
-1 + 5 = 4
