Solve using matrices.5x - 2y = -1 x + 4y = 35
A. (3, 8)
B. (2, 8)
C. (3, 9)
D. (2, 9)
Answer: A
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Compare the graph of f(x) with the graph of y = x2.f(x) = - 
x2
A. Reflected across the x-axis and narrower B. Reflected across the y-axis and narrower C. Reflected across the y-axis and wider D. Reflected across the x-axis and wider
Solve the problem.A driver wants to gauge the fuel efficiency of her vehicle at speeds of 30 mph and above. She notices that traveling at an average speed of 30 mph results in a rating of 35 mpg, whereas, at an average speed of 45 mph, her car rates 
Find an equation to model the gas mileage, m, as a function of average speed s mph.
A. m = 
s + 55
B. m = 
s - 15
C. m = - 
s + 55
D. m = - 
s - 15
Determine the maximum number of turning points of f.f(x) = - x2 + 14x + 33
A. 2 B. 1 C. 0 D. 3
Add or subtract. Simplify the answer.
+ 
A. 
B. 
C. 
D. 