Solve the problem.Evaluate  at t = 4 for the function w(x, y, z) = exyz2; x = t, y = t, z = .

A. e
B.
C. 0
D. - e


Answer: C

Mathematics

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Approximate the square root. Round to the nearest tenth, if needed.

A. 2664.5 B. 73 C. 78 D. 730

Mathematics

Answer the question.How can the graph of f(x) = 0.2(x + 1)2 - 12 be obtained from the graph of y = x2?

A. Shift it horizontally 1 units to the left. Shrink it horizontally by a factor of 0.2. Shift it 12 units down. B. Shift it horizontally 1 units to the left. Shrink it vertically by a factor of 0.2. Shift it 12 units down. C. Shift it horizontally 12 units to the left. Stretch it vertically by a factor of 4. Shift it 1 units down. D. Shift it horizontally 1 units to the right. Shrink it vertically by a factor of 0.2. Shift it 12 units up.

Mathematics

For the given graph, write the inequality in set-builder notation and interval notation. 

A. {xx ? 4}; [4, ?)
B. {xx ? 4}; (-?, 4]
C. {xx > 4}; (4, ?)
D. {xx < 4}; (-?, 4)

Mathematics

Find the future value of the annuity using the given payment amount, interest rate, time, and compounding frequency.Annual payments of $4000, i = 4.8%, compounded annually, t = 9 years 

A. $42,744.65 B. $43,244.65 C. $44,744.65 D. $43,744.65

Mathematics