Answer:
Step-by-step explanation:
(f + g)(2) = 2(2) + 3 + (2)^2 - 1 = 10
(f - g)(4) = 2(4) + 3 - (4)^2 + 1 = -4
(f / g)(2) = (2(2) + 3) / ((2)^2 -1) = 7/3
(f * g)(1) = (2+3)(1-1) = 0
