Graph the cycloid for t in the indicated interval.x = 4(t - sin t), y= 4(1 - cos t), 0 ? t ? 4?

A.

B.

C.

D.


Answer: A

Mathematics

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Solve.When Milo got promoted at work, he received a 20% pay raise. He now earns  per year. What was his annual salary before his raise?

A. $62,400 B. $52,000 C. $12,480 D. $10,400

Mathematics

Solve each equation for y as an expression in x. Then equate the expressions to obtain an equation in the variable x. Finally, solve the equation for the unknown x.y - 3x = 20; y - 2x = 5

A. {-15} B. {25} C. {15} D. {-25}

Mathematics

Graph the function.f(x) = x

A.

B.

C.

D.

Mathematics

Use a graphing calculator to plot the data and find the quadratic function of best fit.The following table shows the median number of hours of leisure time that Americans had each week in various years. Use x = 0 to represent the year 1973. Using a graphing utility, determine the quadratic regression equation for the data given. What year corresponds to the time when Americans had the least time to spend on leisure?

What will be an ideal response?

Mathematics