Answer:
f'(x) = x + 2
Step-by-step explanation:
f(x) shift 3 units to the right -> f(x-3)
f'(x) = (x-3)+5 = x+2
takes 48 minutes
(2/3) foot = 8 inches
5^2x=7^x+1 ⇔ ln5^2x = ln7^x+1 ⇔ 2xln5 = (x+1)ln7 ⇔ (2ln5-ln7)x = ln7
⇔ x = ln7/(2ln5-ln7)