Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Answer: C
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Write the equation of the axis of symmetry.f(x) = 3x2 + 12x + 8
A. x = 4 B. x = -2 C. x = 2 D. x = -4
Factor.40x + 10
A. 2(20x + 5) B. 5(8x + 2) C. 10(4x) D. 10(4x + 1)
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A parabola and a hyperbola; three points
What will be an ideal response?
Use percents, percent equations, and/or percent proportions to solve the application.Jeremy switches from drinking regular soda to drinking diet soda. If his regular soda contains 195 mg of sodium per liter and the diet soda contains 140 mg of sodium, find his percent decrease in calories by switching from regular to diet soda.
A. 58.2% B. 39.3% C. 28.2% D. 71.8%