A population growing at an annual rate r will triple in a time t given by the formula If the growth rate remains constant and equals 15% per year, how long will it take the population of the town to triple?

A) 8.1 years
B) 3.2 years
C) 2.7 years
D) 7.3 years
E) 1.2 years


D) 7.3 years

Mathematics

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The graph of a function f is given. On the same axes, sketch the graph of f-1. 

A.

B.

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Add or subtract.-11.5 - (-5.1)

A. 16.6 B. 6.4 C. -16.6 D. -6.4

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If possible, solve the system below by the method of substitution. Use the graph to check the solution.

A.
B.
C.
D.
E.

Mathematics