Answer:
26
Step-by-step explanation:
W = ∫ f(x) dx
W = ∫₁³ (3x + 7) dx
W = (1.5x² + 7x) |₁³
W = (1.5(3)² + 7(3)) − (1.5(1)² + 7(1))
W = 26
Answer:
C
Step-by-step explanation:
The answer choice is B. 50 dollars per month.
50 times 3 is 150 and 50 times 6 is 300.