Solve the problem.When a particular circuit containing a resistor, an inductor, and a capacitor in series is connected to a battery, the current i (in amperes) is given by i = 23e-3t(e2.6t - e-2.6t) where t is the time (in seconds). Find the time at which the maximum current occurs.
A. 0.6 sec
B. 1.5 sec
C. 0.5 sec
D. 1.4 sec
Answer: C
Mathematics
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Suppose that the present population of a city is 550,000. Use the equation P( t ) = 550,000e 0.034t to estimate future growth. Estimate the population 50 years from now.
A. P = 3,012,651 B. P = 3,010,671 C. P = 3,010,093 D. P = 3,010,805 E. P = 3,010,950
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 32
Mathematics
Evaluate the radical function at the indicated value.f(x) = 
f(5)
A. 3 B. 3.2 C. 9 D. 10
Mathematics
Multiply or divide and simplify your answer.2
÷ 10
A. 
B. 
C. 
D. 
Mathematics