Question

B'(t)

Answer 1

Answer:

-1 ft³/s

Step-by-step explanation:

∫₂₀¹⁰⁰ B"(t) dt = B'(t) |₂₀¹⁰⁰

∫₂₀¹⁰⁰ B"(t) dt = B'(100) − B'(20)

∫₂₀¹⁰⁰ B"(t) dt = 2 ft³/s − 3 ft³/s

∫₂₀¹⁰⁰ B"(t) dt = -1 ft³/s