Use the horizontal line test to determine whether the function is one-to-one. 
A. Yes
B. No
Answer: A
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Solve by graphing.During the month of January, the depth, d, of snow in inches at the base of one ski resort could be approximated by 
where t is the number of days since December 31st. Graph the equation for t ? 0 and then use it to estimate the depth of snow on January 25th.
What will be an ideal response?
Find the product and write the answer in simplest form. Assume variables represent nonnegative values.
? 
A. 
B. 
C. 
D. 
Write a mixed number to represent the measurement shown.In a psychology class containing 57 students, there are 15 freshman, 6 sophomores, 
and 
What fraction of the class is NOT juniors?
A. 
B. 
C. 
D. 
Solve the problem.A machine produces open boxes using square sheets of plastic. The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet, and then shapes the plastic into an open box by turning up the sides. If each box must have a volume of 675 cubic inches, find the length of one side of the open box.
A. 21 in. B. 14 in. C. 15 in. D. 18 in.