Solve for the requested variable.f varies jointly as h and the square of q, and f = 96 when q = 4 and h = 3. Find k.
A. k = 3
B. k = 4
C. k = 96
D. k = 2
Answer: D
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Solve the problem.A company predicts that sales will increase rapidly after a new product is released, with the number of units sold weekly modeled by N = 8000(0.2)0.5t, where t represents the number of weeks after the product is released. How many units per week were sold at the end of the first week of the campaign?
A. 4293 units B. 3578 units C. 2862 units D. 5367 units
Solve the system by any method.0.5x - 0.1y = 3.60.4x - 0.3y = 4.2
A. {(9.3, -1.5)} B. ? C. {(5.4, -3.7)} D. {(6, -6)}
For the given functions f and g, find the composition.f(x) = x2 + 5x; g(x) = x + 4
Find (f ? g)(3).
A. 28
B. 84
C. 5
D. 0
Find the phase shift of the function.y = 4 cos (3?x + 2)
A. 
units to the left
B. 2 units to the left
C. 
units to the right
D. 2 units to the right