Find the hours, rate, or earnings as specified.
Find the gross earnings for the week.
A. $44.52
B. $722.28
C. $537.08
D. $481.52
Answer: D
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Solve the problem.
= ky + f(t) is a population model where y is the population at time t and f(t) is some function to describe the net effect on the population. Assume k = .02 and y = 10,000 when t = 0. Solve the differential equation of y when f(t) = -21t.
A. y = -1050t - 52,500 - 42,500e.02t B. y = 1050t + 52,500 - 42,500e-.02t C. y = -1050t + 52,500 - 42,500e-.02t D. y = 1050t + 52,500 - 42,500e.02t
Factor by grouping.5u2 - 24uv + 27v2
A. (u + 9v)(5u - 3v) B. (u - 9v)(5u - 3v) C. (u - 3v)(5u + 9v) D. (u - 3v)(5u - 9v)
Solve the equation and check your solution.x - 12 = -7
A. x = 19 B. x = 5 C. x = -5 D. x = -19
Find the inverse of the function.f(x) = -x2 + 5, x ? 0
A. f-1(x) = 
B. f-1(x) = x2 + 5
C. f-1(x) = - 
D. f-1(x) = 