Use a graphing calculator to sketch the graph of the quadratic equation, and then give the coordinates for the x-intercepts (if they exist).y = -3x2 + 9x + 30
A. (2, 0); (-5, 0)
B. (2, 0); (5, 0)
C. (-2, 0); (5, 0)
D. (-2, 0); (-5, 0)
Answer: C
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Find the point(s) at which the given function equals its average value on the given interval.f(x) = 
; [0, 12]
A. 6
B. 5
C. 
D. 7
Which of the following lines (line segments) are concurrent?
A. angle-bisectors of a rectangle B. perpendicular-bisectors of the sides of a rhombus C. angle-bisectors of a trapezoid D. angle-bisectors of a kite
Sketch the graph of the given equation over the interval [-2?, 2?].y = 
cos 
A. 
B. 
C. 
D. 
Suppose that 30% of all small businesses are undercapitalized, 40% of all undercapitalized small business fail, and 20% of all small businesses that are not undercapitalized fail. A small business is chosen at random. Find the probability that the small business is not undercapitalized and yet fails.
A. 0.12 B. 0.20 C. 0.40 D. 0.14 E. none of these