Find the effective rate of interest.6
% compounded monthly
A. 6.43%
B. 6.25%
C. 6.29%
D. 6.39%
Answer: A
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Determine whether the graph of the equation or function has symmetry about the x-axis, the y-axis, and the origin.f(x) = -3x3 + 2x
A. x-axis B. Origin C. x-axis, origin D. x-axis, y-axis
Use the graph to identify the x- and y- intercepts or state that there is no x- or y-intercept.
A. x-intercept = 1; y-intercept = -8 B. x-intercept = 1; y-intercept = 8 C. x-intercept = -1; y-intercept = 8 D. x-intercept = -8; y-intercept = 8
Translate the word statement into a percent equation. Do not solve.89% of 6 is what number?
A. 89 ? 6 = n B. 89% ? n = 6 C. 89% ? 6 = n D. 89% = 6 ? n
Solve the problem.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). (i) Use a graphing calculator to fit a linear sequence regression function an = an + b to the data, where n is the cost of advertising (in thousands of dollars) and an is number of products sold (in thousands). (ii) Use this function to estimate the number of products sold if the cost of advertising is $14,000.
A. (i) an = 3.02n + 55.8; (ii) 101.56 thousand products B. (i) an = 5.79n + 94.3; (ii) 39,115.8 products C. (i) an = 2.79n + 55.8; (ii) 94.86 thousand products D. (i) an = 2.73n + 34.8; (ii) 91.86 thousand products