Write the radical expression as an exponential expression.
A. 642
B. 641/2
C. 21/64
D. 
Answer: B
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Divide.(x2 + 11x + 24) ÷ (x + 3)
A. x + 8 B. x2 + 8 C. x3 - 21 D. x - 21
Complete the identity.sin2 x + sin2 x cot2 x = ?
A. 1 B. cot2 x - 1 C. sin2 x + 1 D. cot2 x + 1
Answer the question.Which of the following statements is true concerning the graph of f(t) = cot t?
A. The graph is symmetric about the x-axis. B. The graph is symmetric about the y-axis. C. The graph contains no symmetry. D. The graph is symmetric about the origin.
Solve the problem.From a 38-inch by 38-inch piece of metal, squares are cut out of the four corners so that the sides can then be folded up to make a box. Let x represent the length of the sides of the squares, in inches, that are cut out. Express the volume of the box as a function of x. Give the function and state its domain.
A. V = 4x3 - 152x2 + 1444x: 0 < x < 19 B. V = 2x3 - 114x2 + 38x: 0 < x < 19 C. V = 4x3 - 152x2 + 1444x: x < 38 D. V = 2x3 - 114x2 + 1444x: x >0