Find the zero of f.f(x) = 
x
A. -3
B. 0
C. 3
D. Does not exist
Answer: B
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Solve.The volume of a cube is given by 125 cm3. What is the area of each side of the cube?
A. 5 cm2 B. 21 cm2 C. 10 cm2 D. 25 cm2
Solve the problem.The gravitational attraction between two masses varies inversely as the square of the distance between them. If the force of attraction is 4 lb when the masses are 3 ft apart, what is the attraction when the masses are 6 ft apart?
A. 3 lb B. 4 lb C. 2 lb D. 1 lb
Answer the question.Use the table of record trout lengths at Yosemite Lake to answer the question. To find the average, add up the values you are interested in and then divide the sum by the number of values. Round your answer to the nearest tenth. 
Find the average length of record trout caught during the weekend.
A. 3.7 in. B. 26.0 in. C. 10.2 in. D. 13.0 in.
Express the given vector as a linear combination of the unit vectors i and j.
A. 8i - 14j B. 14i + 8j C. 14i - 8j D. 8i + 14j