Identify a, b, c, with a > 0, for the quadratic equation.(9x + 10)2 = 10
A. a = 81, b = 90, c = 0
B. a = 81, b = 180, c = 90
C. a = 9, b = 0, c = 0
D. Not quadratic
Answer: B
Mathematics
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Evaluate the integral.
dx
A. 
+ C
B. -esin-1 x + C
C. ecos-1 x + C
D. 
+ C
Mathematics
Simplify. Assume that no radicands were formed by raising negative numbers to even powers.
A. (6k7q8)
B. (6q4)
C. (6k3q4)
D. (6k3q4)
Mathematics
Solve the problem using the quadratic formula.For a car traveling at x mph, stopping distance is estimated by the formula d(x) = 
x2 + 
x. Find a (maximum) safe speed for a stopping distance of 630 ft. Round your answer to the nearest mph.
A. 65 mph B. 70 mph C. 73 mph D. 61 mph
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Use a graphing calculator to graph the piecewise-defined function, using the window indicated.f(x) = 
; window [-4, 6] by [-2, 8]
A. 
B. 
C. 
D. 
Mathematics