Use a graphing calculator to sketch the graph of the quadratic equation, and then state the domain and range.y = -5x2 - 4x + 2
A. D: all real numbers; R: (y ? 2.8)
B. D: all real numbers; R: (y ? 2.8)
C. D: all real numbers; R: (y ? 1.2)
D. D: (x ? 0), R: all real numbers
Answer: B
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A French restaurant offers a menu consisting of 5 different appetizers, 3 different salads, 2 different soups, 7 different main courses, and 3 different desserts. The restaurant offers different combinations of "fixed price dinners" on different days of the week.On Fridays and Saturdays, the "fixed price dinner" consists of a choice of appetizer, a choice of either soup or salad, a main course, and a dessert. Assuming you don't pass on any of these, how many different "fixed price dinners" are possible on Fridays and Saturdays?
A. 20 B. 630 C. 525 D. 21 E. none of these
Perform the addition or subtraction.(3x2 - 9x - 1) - 
A. -5x2 - 14x - 3 B. -5x2 - 4x - 3 C. -5x2 - 14x + 1 D. -5x2 - 4x + 1
Find all solutions.x3 - 7x2 + 10x = 0
A. {5, 2} B. {-5, -2} C. {0, 5, 2} D. {0, -5, -2}
Match the equation with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 