Simplify the expression.(3-3)-1
A. 27
B. 
C. 9
D. 
Answer: A
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Solve the problem.The first period of a half-wave rectified current, I(t), is given by
Find ao and as many nonzero cosine and sine terms as possible, up to two of each, of the Fourier series for this waveform.
A. I(t) = 
- 
- 
sin t
B. I(t) = 
- 
- 
C. I(t) = 
- 
- 
D. I(t) = 
- 
- 
Solve the problem.Find the volume of a cylinder with diameter 13.6 cm and height 5.5 cm. Use 3.14 for ?. Round your answer to the nearest tenth.
A. 262.6 cm3 B. 525.2 cm3 C. 798.6 cm3 D. 407.8 cm3
Find the coordinates of the vertex of the quadratic function.f(x) = x2 - 10x + 7
A. (5, -18) B. (-10, 207) C. (-5, 82) D. (5, -68)
Tell whether the statement is true or false.Let A = {8, 9, 10, 11, 12, 13}, B = {10, 12, 14}, C = {8, 9, 11, 13}, D = {9, 13}, and 
U ? C
A. True B. False