Answer:
2A+2B
Step-by-step explanation:
f(x) 2x² + 5√(x+2)
f(2) = 2(2)² + 5√(2+2)
= 2(4) + 5√4
= 8 + 10
= 18 <======= answer
B = R - M
1. R = M + B Subtract M
2. R - M = B