Snow began falling at noon on Sunday. The amount of snow on the ground at a certain location at time t was given by the function
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where t is measured in days from the start of the snowfall and h(t) is the depth of snow in inches. Draw a graph of this function and use your graph to answer the following questions.
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(a) What happened shortly after noon on Tuesday?
(b) Was there ever more than 6 in. of snow on the ground? If so, on what day(s)?
(c) On what day and at what time did the snow disappear completely?
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A. (a) It started to snow again.(b) No.(c) Before noon on Saturday.
B. (a) It started to snow again.(b) No.(c) Before midnight on Saturday night.
C. (a) It started to snow again.(b) Yes. On Monday.(c) Before midnight on Saturday night.
D. (a) It stopped snowing.(b) No.(c) Before midnight on Saturday night.
E. (a) It stopped snowing.(b) Yes. On Monday.(c) Before noon on Saturday.
Answer: B
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Solve using the addition principle.4.9 = x + 8.8
A. 3.9 B. 13.7 C. 0.56 D. -3.9
Indicate whether the function is one-to-one.{(19, -4), (16, -4), (-10, -15)}
A. Yes B. No
Use the geometric interpretation of slope (rise divided by run) to find the slope of the line. Then, by identifying the y-intercept from the graph, write the slope-intercept form of the equation of the line.
A. y = 7x + 2
B. y = 
x - 7
C. y = -7x + 2
D. y = 
x + 2
Find the slope of the line.
A. - 
B. 
C. - 
D. 