Answer:
Step-by-step explanation:
hello :
f(x) = 3x - 5 and g(x) = x² + 2
(f+ g)(x)= f(x)+g(x) = 3x-5 +x²+2
(f+ g)(x).= x²+3x-3
your answer would be 30
<em>HOPE THAT HELPS!!!</em>
Answer
number 3 is 30, number 4 is 46 and the last one is 55
