Graph the inequality on a number line. Then write the solution in interval notation.x < 0
A. (-?, 0)
B. (-?, 0]
C. (0, ?)
D. [0, ?)
Answer: A
Mathematics
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Solve the problem.Find the number of units that must be produced and sold in order to yield the maximum profit, given the following equations for revenue and cost:R
= 6xC
= 0.01x2 + 1.2x + 90.
A. 720 units B. 360 units C. 240 units D. 480 units
Mathematics
Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use 
for ?.
A. 2,024 yd B. 325,864 yd C. 1,012 yd D. 506 yd
Mathematics
Solve the given equation for x.3y = tan 6x
A. x = 
tan-1 3y
B. x = 2 tan-1 y
C. x = 6 tan-1 
D. x = 
tan-1 y
Mathematics
Find all solutions of the equation in the interval [0, 2?).csc 
= 
A. 
B. 
C. 
D. {?}
Mathematics