A V8 car engine is coupled to a dynamometer and the horsepower y is measured at different engine speeds x (in thousands of revolutions per minute). The results are shown in the table below. Use a graphing utility to plot the data and graph the cubic model.
???
?x12345 6y4085140200225245??
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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A. 9,679 mm B. 572 mm C. 286 mm D. 102,940 mm
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Solve the problem.Find the coordinates of (?, -2) after it is moved ?/6 units to the right and 1 units upward.
A. (7?/6, -1) B. (5?/6, -3) C. (7?/6, -3) D. (5?/6, -1)
Mathematics
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Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Mathematics