Use properties of exponents and the inverse properties for exponential and logarithmic functions to simplify the following. ln
A. 34
B. 289
C. e17
D. 17
Answer: A
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Use the graph of the function f(x) to locate the local extrema and identify the intervals where the function is concave up and concave down.
A. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (-?, -3) and (3, ?); concave down on (-3, 3) B. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (-?, -3) and (3, ?); concave up on (-3, 3) C. Local minimum at x = 3 ; local maximum at x = -3 ; concave up on (0, ?); concave down on (-?, 0) D. Local minimum at x = 3 ; local maximum at x = -3 ; concave down on (0, ?); concave up on (-?, 0)
The data in the figure below represents the annual salaries of 200 professional musicians.
Approximately how many musicians make $40,000 or less?
A. 54 B. 27 C. 50 D. 100 E. none of these
Solve the equation.7(y + 4) = 9y + 28
A. 56 B. -28 C. 0 D. 28
Calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded, and that the month is 30 days long. ? $600 balance, 14%, $100 payment, adjusted balance method ?
A. $6.14 B. $5.83 C. $7.00 D. $4.60 E. $3.50