Factor out the negative sign with the GCF.-18x3 - 36x2 + 27x
A. -18x(x2 + 2x - 3)
B. -9(2x3 + 4x2 - 3x)
C. -9x(2x2 - 4x + 3)
D. -9x(2x2 + 4x - 3)
Answer: D
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Solve the problem.
The graph of y = f(x) gives the speed limit y along a rural highway after traveling x miles. (i) What are the maximum and minimum speed limits along this stretch of highway? (ii) Estimate the miles of highway with a speed limit of 25 miles per hour.
A. Maximum 30 mph; minimum 17.5 mph; 8 miles B. Maximum 32.5 mph; minimum 12.5 mph; 9 miles C. Maximum 30 mph; minimum 12.5 mph; 8 miles D. Maximum 35 mph; minimum 10 mph; 6 miles
What will be an ideal response?
Solve the problem.Jill is 20 kilometers away from Joe. Both begin to walk toward each other at the same time. Jill walks at 1.5 kilometers per hour. They meet in 5 hours. How fast is Joe walking?
A. 1.5 kilometers per hour B. 4.5 kilometers per hour C. 3.5 kilometers per hour D. 2.5 kilometers per hour
Solve the problem.Decide which of the rational functions might have the given graph. 
A. R(x) = 
B. R(x) = 
C. R(x) = 
D. R(x) = 