Simplify by factoring.
A. 8x
B. 
C. 8
D. 40
Answer: C
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Solve the problem.A grasshopper is perched on a reed 5 inches above the ground. It hops off the reed and lands on the ground about 5.9 inches away. During its hop, its height is given by the equation 
, where x is the distance in inches from the base of the reed, and h is in inches. How far was the grasshopper from the base of the reed when it was 4.25 inches above the ground? Round to the nearest tenth.
A. 0.6 inches B. 5.9 inches C. 4.2 inches D. 0.4 inches
Find the net cost. Round to the nearest cent.$743 less 10/20
A. $713.00 B. $520.10 C. $534.96 D. $371.50
Identify the intercepts.
A. (4, 0), (-4, 0), (0, 0) B. (4, 0), (-4, 0), (0, -4) C. (4, 0), (-4, 0) D. (0, -4)
Solve the problem.Suppose f(x) = 34.6 + 1.5 log (x + 1) models salinity of ocean water to depths of 
at a certain latitude. x is the depth in meters and f(x) is in grams of salt per kilogram of seawater. Approximate the salinity (to the nearest hundredth) when the depth is 224 meters.
A. -31.07 B. 82.89 C. 38.13 D. 79.89