Factor by grouping.20x2 + 15x - 24x - 18
A. (20x + 6)(x - 3)
B. (5x - 6)(4x + 3)
C. (20x - 6)(x + 3)
D. (5x + 6)(4x - 3)
Answer: B
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Use a grapher to graph the function.The displacement y of the end of a gear tooth is given by 
Sketch the graph of two cycles of y as a function of t in seconds. Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Evaluate the absolute value expression.
A. 6 B. 22 C. 24 D. 32
Find the absolute maximum and minimum values of the function on the given curve.Function: 
curve: 
A. Absolute maximum: 19 at 
absolute minimum: 2 at 
B. Absolute maximum: 20 at 
absolute minimum: 2 at 
C. Absolute maximum: 20 at 
absolute minimum: 4 at 
D. Absolute maximum: 19 at 
absolute minimum: 4 at 
Solve the problem.Sue buys a house for $116,000. What is the value of the house 1 year later, if it depreciates by 3.3% in the first year after she buys it?
A. $77,720 B. $3828 C. $112,172 D. $38,280