Identify the graph of the function
?
?y = 2cos ?x?, 
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
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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 determine when the number of subscriptions can be expected to reach 0.6025 thousand. Round your answer to two decimal places. t 1.77 4.85 8.35 11.63 14.70 M 8.35 5.18 2.67 2.25 1.85?
A. 23.90 years after initial publication B. 23.33 years after initial publication C. 24.95 years after initial publication D. 23.41 years after initial publication
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log 
A. log (5x5
) - log (7(x + 1)2)
B. log 5 + 5log x + 
log (1 - x) - log 7 + 2log (x + 1)
C. log 5 + 5log x + 
log (1 - x) - log 7 - 2log (x + 1)
D. log 5 + log x5 + log (1 - x)1/5 - log 7 - log (x + 1)2
Based on its existing sales, what is the formula for calculating the full-capacity sales of a firm?
A. Full-capacity sales = Existing sales level ÷ Percent of capacity used to generate existing sales level B. Full-capacity sales = Future sales level ÷ (1 - Percent of capacity used to generate existing sales level) C. Full-capacity sales = Future sales level ÷ Percent of capacity used to generate existing sales level D. Full-capacity sales = Future sales level ÷ (1 + Percent of capacity used to generate existing level of assets) E. Full-capacity sales = Existing sales level ÷ (1 - Percent of capacity used to generate existing level of assets)
Draw a tessellation of the plane using the given figure. If the figure does not tessellate the plane, state this.
What will be an ideal response?