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The final exam questions for a precalculus course, covering topics such as lines, equations, slope, regression, absolute values, functions, calculus, and projectiles.
Typology: Exams
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Give your best answers to the following questions. Be sure to show your work in order to receive partial credit. In general, a correct answer without accompanying work will receive no credit. Do your own work!
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a. 5 [3 + 2(x − 6)] = 3x + 1
b. 4 x − 1 3
x 5
b. | 2 x + 5| ≥ 7
x f (x) g(x) -2 1 X 0 4 X 1 X 2 2 3 4 3 X - 4 2 0
a. (g ◦ f )(−2)
b. (f ◦ g)(3)
h(t) = − 16 t^2 + 800t + 600.
a. From what height was the object fired?
b. When will the object hit the ground?
a. 2^3 x+1^ = 3^4 −x
b. log 3 (x + 6) − log 3 (x + 2) = log 3 x
x 0 100 200 300 y 2 1.22 .743.
Find an exponential function which models this data.
