Solve the problem.If an investment of P dollars grows to A dollars in two years, the annual rate of return on the investment is given by 
Jared Spencer bought a collector's coin set for $230 and sold it two years later for $362. What was the approximate annual rate of return of his investment? Round to the nearest tenth of a percent.
A. 28.7%
B. 20.4%
C. 25.4%
D. 7.6%
Answer: C
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Let v = 7j and let u be a vector with length 5 that starts at the origin and rotates in the xy-plane. Find the maximum value of the length of the vector |u x v|.
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Find an equation for the line with the given properties.Slope undefined; containing the point 
A. y = - 
B. y = 2
C. x = - 
D. x = 2
Graph the parabola and label the vertex. Find the y-intercept.y = 
x2 + 1
A. vertex (0, 1), y-intercept (0, 1)
B. vertex (0, -1), y-intercept (0, -1)
C. vertex (0, -1), y-intercept (0, -1)
D. vertex (0, 1), y-intercept (0, 1)
Solve.The number of students in a school in year n is estimated by the model
. About how many students are in the school in each of the first three years?
A. 108, 137, 161 B. 108, 137, 176 C. 113, 137, 176 D. 122, 151, 190