Write interval notation for the graph.
A. [x, x + h)
B. [x, ?)
C. (x, x + h]
D. [-?, x + h)
Answer: A
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Interpret the meaning of the slope and the y-intercept of the equation in terms of the conditions stated in the problem.The cost, in dollars, of cellular phone service with Econo-phone is given by 
where x is the number of minutes used in one month.
A. 17.25 signifies the total phone bill, and 0.51 signifies the number of minutes used. B. 17.25 signifies the cost per minute, and 0.51 signifies the monthly service charge. C. 0.51 signifies the hourly phone rent, and 17.25 signifies the cost of the hardware. D. 0.51 signifies the cost per minute, and 17.25 signifies the monthly service charge.
Graph the system of inequalities.x + 2y ? 2x + y ? 0
A. 
B. 
C. 
D. 
Solve the linear inequality. Express the solution in set-builder notation.24x - 24 > 6(3x - 6)
A. {x|x > 24} B. {x|x < 24} C. {x|x > -2} D. {x|x < -2}
Find the part.0.8% of 8500 droughts
A. 68 droughts B. 6800 droughts C. 7 droughts D. 680 droughts