Multiply using the FOIL method.(z - 1)(z + 7)
A. z2 + 6z - 7
B. 2z - 7
C. z2 - 6z + 7
D. 2z2 + 7
Answer: A
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Solve the problem.One end of a pool is a vertical wall 15 ft wide. What is the force exerted on this wall by the water if it is 
deep? The density of water is 62.4 lb/ft3.
A. 15,000 lb B. 3740 lb C. 1870 lb D. 7490 lb
Write the number in expanded form.4000
A. (4 × 104) + (0 × 103) + (0 × 102) + (0 × 101) B. (4 × 103) + (0 × 102) + (0 × 101) + (0 × 100) C. (4 × 100) + (0 × 101) + (0 × 102) + (0 × 103) D. (4 × 101) + (0 × 102) + (0 × 103) + (0 × 104)
Solve. Round your answer to three decimal places if necessary.9x + 1 = 78
A. 8.573 B. 0.983 C. 2.983 D. 1.983
Use a graphing utility to select the graph the damping factor and the function below in the same viewing window. Describe the behavior of the function as x increases without bound.
?
?
?
A. ?
As x ? ?, f(x) ? ?.
B. ?
As x ? ?, f(x) ? ?.
C. ?
As x ? ?, f(x) ? 0.
D.
As x ? ?, f(x) ? 0.
E. ?
As x ? ?, f(x) ? ?.