Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
? 0
A. 
or [5, ?)
B. 
C. [5, ?)
D. 
or [5, ?)
Answer: D
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Find all points where the function is discontinuous.
A. x = 2 B. x = 4, x = 2 C. x = 4 D. None
Simplify the polynomial, if possible. Write the result with descending powers.2x6 + 2x2 + 9x6
A. 13x14 B. 11x6 + 2x2 C. 13x2 D. Cannot be simplified; 2x6 + 2x2 + 9x6
Solve the problem.The cost for labor associated with fixing a washing machine is computed as follows: There is a fixed charge of $25 for the repairman to come to the house, to which a charge of $23 per hour is added. Find an equation that can be used to determine the labor cost, C, of a repair that takes x hours.
A. C = 25 + 23x B. C = (25 + 23)x C. C = 23 + 25x D. C = 25 - 23x
Write the slope-intercept form of the line that passes through the given point with slope m.Through (4, 3), m = - 
A. y = 
x - 
B. y = - 
x + 
C. y = 
x + 
D. y = - 
x + 