Find an equation for the graph.
A. y = 3 cos 
B. y = -3 sin (3x)
C. y = -3 cos
D. y = -3 cos (3x)
Answer: C
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Solve graphically. Round solutions to the nearest tenth.3x2 - 9x - 8 = 0; x between 3 and 4
A. 3.9 B. 3.7 C. 3.8 D. 3.6
Solve the problem.A piece of molding 150 cm long is to be cut to form a rectangular picture frame. What dimensions will enclose the largest area? Round to the nearest hundredth, if necessary.
A. 37.5 cm × 37.5 cm B. 30 cm × 30 cm C. 12.25 cm × 37.5 cm D. 12.25 cm × 12.25 cm
Write the decimal as a fraction or mixed number in lowest terms.-0.672
A. - 
B. - 
C. - 
D. - 
Solve the problem.Estimate the y-value associated with x = 35 as predicted by the natural logarithmic regression equation for the following data. Round to the nearest hundredth. 
A. 4.25 B. 3.55 C. 4.05 D. 3.75