Solve the problem.f(x) = 2x and g(x) = 15.Find the point of intersection of the graphs of f and g by solving f(x) = g(x).

A. (log215, 15)
B. (log215, 2)
C. (15, 15)
D. (log215, 0)


Answer: A

Mathematics

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The following table shows the number M, in thousands, of magazine subscriptions t years after initial publication. Use exponential regression to find the percentage decline in subscriptions over any 4-year period. Round your answer to two decimal places.  t 1.39 4.84 8.67 12.12 15.94 M 7.56 5.33 3.43 2.33 1.73?

A. 40.00% B. 40.65% C. 34.39% D. 34.28%

Mathematics

Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 5?t inches after t seconds. When does the weight first reach its maximum height?

A. After  sec
B. After  sec
C. After  sec

D. After  sec

Mathematics

Evaluate.

A. 7
B. 2!
C.
D. 42

Mathematics

Write any percent as a decimal and any decimal as a percent.A record store downtown is offering 6% off all purchases for the month of December.

A. 6 B. 0.6 C. 0.06 D. 0.06%

Mathematics