3
QuizMultiple Choice

Combining Functions

Question 3 • Algebra III A

Two dams, when opened, release water at different rates. The following functions represent the amounts of water the dams release over t minutes:Dam Af(t) = 5t – 7t – 1Dam Bg(t) = 3t 2 + 4t + 9Which function represents the difference in the amounts of water released, h(t) = f(t) – g(t)?

Answer
A
h(t) = 3t 2 – 5t + 11t + 10
B
h(t) = 2t 2 – 11t – 10
C
h(t) = 5t – 3t 2 – 3t + 8
D
h(t) = 5t – 3t 2 – 11t – 10
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