Find the indicated intercept(s) of the graph of the function.x-intercepts of f(x) = 
A. (16, 0)
B. (5, 0)
C. (0, 0)
D. (-4, 0), (4, 0)
Answer: C
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Solve the problem.A resistor and inductor are connected in series to a battery. The current in the circuit (in A) is given by 
where t is the time since the circuit was closed. By using the series for ex, find the first three terms of the expansion of this function.
A. 0.48t - 0.096t2 + 0.0256t3 + . . . B. 1.2t + 0.096t2 + 0.0128t3 + . . . C. 0.48t - 0.096t2 + 0.0128t3 + . . . D. 0.48t - 0.24t2 + 0.08t3 + . . .
Use a calculator to estimate the limit.
x4ex
A. ? B. 0 C. 4 D. 1
Find the partial fraction decomposition.
= 
+ 
A. A = -1, B = 4 B. A = 1, B = -4 C. A = 1, B = 4 D. A = -1, B = -4
Solve the problem.How long will it take for an investment to triple in value if it earns 5.25% compounded continuously? Round your answer to three decimal places.
A. 23.276 yr B. 10.463 yr C. 13.203 yr D. 20.926 yr