Graph the system of inequalities.y > 3x ? 1
A. 
B. 
C. 
D. 
Answer: A
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Use technology to solve the system. 0.06x + 0.05y = -0.35-0.03x + y = -0.85
A. (-0.5, -0.1) B. No solution C. (-1, -5) D. (-5, -1)
Use a graphical method to solve the system. Give x- and y-coordinates correct to the nearest hundredth.y = sin 
y = x2 - 2
A. x = 1.65, y = 0.74 or x = -1.20, y = -0.56 B. x = 1.65, y = 0.74 C. x = 1.65, y = 0.74 or x = -1.65, y = -0.74 D. x = -1.20, y = -0.56
Evaluate the indicated function with the given information.Find cos 2x if sin x = - 
(in fourth quadrant).
A. 
B. - 
C. - 
D. 
Solve the problem.The manager of a pet store has found that if the price of a dog collar is 
then x collars will be sold. An expression for the total revenue from the sale of x collars is R(x) = 90x - 
. Find the number of collars that will produce maximum revenue.
A. 400 B. 360 C. 720 D. 340