Change the logarithmic expression to an equivalent expression involving an exponent.logb 49 = 
A. 
b = 49
B. b3/2 = 49
C. b2/3= 49
D. 492/3 = b
Answer: C
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Use logax = (ln x)/(ln a) to calculate the logarithm. Round to the nearest ten thousandth.log3 0.154
A. -1.7029 B. -0.5872 C. 19.4805 D. -0.8125
Solve the problem.The revenue received from the sale of electric heaters is seasonal, with maximum revenue in the winter. Let the revenue received from the sale of heaters be approximated by R(x) = 92 cos 2?x + 600, where x is time in years, measured from January 1. Find R'(x) for August 1st.
A. 92?
B. 0
C. 92?
D. 92?
Find the first four nonzero terms in the Maclaurin series for the function.f(x) = e2x 
A. 2 + 
x + 
x2 + 
x3 + . . .
B. 1 + 
x + 
x2 + 
x3 + . . .
C. 1 - 
x + 
x2 - 
x3 + . . .
D. 1 + 
x + 
x2 + 
x3 + . . .
Determine convergence or divergence of the series.
A. Converges B. Diverges