Solve the inequality.x2 + 7x ? -12
A. [-4, -3]
B. (-?, -4] or [-3, ?)
C. [-3, ?)
D. (-?, -4]
Answer: B
Mathematics
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Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.c2 + d2 + f2 = g2, for c
A. c = g - d - f
B. c = 
C. c = g2 - d2 - f2
D. c = -g + d + f
Mathematics
Simplify.If P(x) = 9x - 1, find P(-x).
A. -8x B. -9x + 1 C. 9x + 1 D. -9x - 1
Mathematics
Graph the parabola with the given equation.(y - 1)2 = 7(x + 1) 
A. 
B. 
C. 
D. 
Mathematics
Find the slope of the line through the given pair of points, if possible. Based on the slope, indicate whether the line through the points rises from left to right, falls from left to right, is horizontal, or is vertical.(-1, -8) and (-7, 3)
A. - 
; falls
B. - 
; falls
C. 
; rises
D. 
; rises
Mathematics