If y varies inversely as x, find the inverse variation equation for the situation.y = 9 when x = 
A. y = 
B. y = 27x
C. y = 
D. y = 
Answer: D
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Interpret the meaning of the slope and the y-intercept of the equation in terms of the conditions stated in the problem.The population, in millions, of a city t years after 1990 is given by 
A. 2.6 million is the population of the city in 1990 and 0.08 million is the increase per year in the population . B. 2.6 million is the population of the city in 1991 and 2.68 million is the population in 1992. C. 0.08 million is the population of the city in 1990 and 2.6 million is the increase per year in the population . D. 2.6 million is the population of the city in 1990 and 0.08 million is the decrease per year in the population .
Let U = {all soda pops}, A = {all diet soda pops},B = {all cola soda pops}, C = {all soda pops in cans},and D = {all caffeine-free soda pops}. Describe theset in words.(A ? B) ? D
A. All diet, caffeine-free cola soda pops B. All diet and all cola and all caffeine-free soda pops C. All soda pops not in cans D. All soda pops
Determine whether or not the function is one-to-one.{(6, -5), (8, -15), (11, -10), (19, -19), (22, -23)}
A. Yes B. No
Perform the indicated operations. Assume that all variables represent nonnegative real numbers.3 
+ 3 
A. 24x
B. 8 
C. 24 
D. 3 