Factor the sum or difference of two cubes completely.
- 
A. (5x + 3y)(25x2 - 15xy + 9y2)
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.dy/dt = 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 = 0.02 and 
when t = 0. Solve the differential equation of y when f(t) = 2t.
A. y = -100t - 5000 + 15,000e-0.02t B. y = -100t - 5000 + 15,000e0.02t C. y = 100t - 5000 + 15,000e-0.02t D. y = 100t + 5000 + 15,000e-0.02t
Mathematics
Evaluate the integral.
A. 
B. - 
C. 
D. 
Mathematics
Find the interval of convergence of the series.
A. 3 ? x < 5 B. x < 5 C. 3 < x < 5 D. 2 ? x < 6
Mathematics
Find the exact value using a double-angle identity.sin 
A. - 
B. 
C. 0
D. - 
Mathematics