Express the set in roster form.{x|x is a natural number multiple of 5}
A. ?
B. {10, 15, 20, . . .}
C. {0, 5, 10, 15,. . .}
D. {5, 10, 15, . . .}
Answer: D
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Evaluate using the order of operations.-16.8 + 17.1 + (-11.8)
A. -11.5 B. 12.1 C. 22.1 D. 45.7
Graph the decimal on a number line.4.25 
A. 
B. 
C. 
D. 
Determine whether or not the function is one-to-one.f(x) = 8x + 7
A. Yes B. No
Solve the problem.Your associate, who wanted to improve his physical fitness for an event to take place on July 1st, started a diet and exercise regimen on January 1st. He measured his weight on that day and on the 1st of each month thereafter until July 1st. Having met his goals on July 1st, he decided to continue with the regimen and record keeping for the remainder of the year. The data is used to construct a graph, where the number of months since July 1st is the input variable, and the weight lost or gained during each month is the output variable. Note that July 1st is taken to be time zero, since this date is of interest as a reference point. If the graph tells you that 2 pounds were gained in March, in which quadrant is the point for March located?
A. Quadrant III B. Quadrant IV C. Quadrant II D. Quadrant I