Unit Test — Unit test

Question 1

Which transformation should be applied to the graph of the function to obtain the graph of the function ?

Revolt · Accepted Answer

a vertical stretch, a horizontal compression to make the period , a horizontal shift of units to the right, and a vertical shift of 4 units up

Question 2

In which quadrant(s) is csc(x) positive?

Revolt · Accepted Answer

quadrants I and II

Question 3

During high tide around 11:00 p.m., the water level is 3 feet above a marker on a pier. The following day, during low tide around 5:12 a.m., the water level has dropped 3 feet below the marker. The height of the water is modeled by the function , where x is the time in hours since 11:00 p.m.What is the height of the water at 2:15 a.m.?

Revolt · Accepted Answer

0.22 feet below the marker

Question 4

The merry-go-round at the fair rotates 12 times each minute, and children are 15 feet from the center of the wheel when they are in their seats. What is the linear velocity of the children in feet per hour?

Revolt · Accepted Answer

21,600π

Question 5

How many degrees is radians?

Revolt · Accepted Answer

168.75°

Question 6

The table shows the temperatures in degrees Celsius, y, inside a shed at x hours past noon. The maximum and minimum temperatures are shown.

Revolt · Accepted Answer

y = 3 cosine (StartFraction pi Over 12 EndFraction x minus StartFraction pi Over 4 EndFraction) + 17

Unit Test — Unit test Answers

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