Decide whether the relation is a function.?
A. Function
B. Not a function
Answer: A
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Convert the temperature. Give your answer to the nearest tenth of a degree.8°C = °F
A. 72.0°F B. 36.4°F C. 30.0°F D. 46.4°F
Write the expression in the standard form a + bi.
3
A. -4
- 4
i
B. -4
+ 4
i
C. 4
- 4
i
D. 4 - 4
i
Solve the problem.In one city, the local cable TV company charges $1.05 for each pay-per-view movie watched. In addition, each monthly bill contains a basic customer charge of $16.50. If last month's bills ranged from a low of $22.80 to a high of $38.55, over what range did customers watch 
movies?
A. movies watched varied from 7 to 22 inclusive B. movies watched varied from 5 to 20 inclusive C. movies watched varied from 6 to 21 inclusive D. movies watched varied from 5 to 22 inclusive
Solve the problem. Round to the nearest tenth, if necessary.A long-distance runner runs 3 miles directly south and then faces due east and runs another 7 miles. How far is the runner, in a straight line, from his starting point? 
A. 29 mi B. 3.8 mi C. 5 mi D. 7.6 mi