Multiply.
× 
A. 
B. 
C. 
D. 
Answer: B
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Find the extreme values of the function and where they occur.y = 
A. Absolute maximum is - 
at x = 0; absolute minimum is 1 at x = -2.
B. Absolute maximum is 3 at x = 0; absolute minimum is 
at x = -2.
C. None
D. Absolute maximum is 
at x = 0; absolute minimum is - 1 at x = -2.
Choose the absolute value equation or inequality which matches the graph.
A. | x | = 7 B. | x | ? 7 C. | x | ? 7 D. | x | > 7 E. | x | < 7
Multiply or divide measurement numbers, rounding to the correct precision.9 ft × 13 ft
A. 137 sq ft B. 127 sq ft C. 117 sq ft D. 107 sq ft
Solve the problem.The sound produced by touching each button on a touch-tone phone is described by y = sin 2?lt + sin 2?htwhere l and h are the low and high frequencies (cycles per second) in the figure shown.
Describe the sound emitted by touching the 0 key as a product of sines and cosines.
A. y = 2 sin(536?t) cos(2418?t) B. y = 2 sin(395?t) cos(2277?t) C. y = 2 sin(2418?t) cos(536?t) D. y = 2 sin(2277?t) cos(395?t)