Determine whether the proportion is true or false by writing the ratios in lowest terms.
= 
A. True
B. False
Answer: B
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Solve the inequality. Graph the solution set and write the solution set in set-builder notation.x2 - 4x - 5 < 0
A. {x|x < -1 or x > 5}
B. {x|-1 < x < 5}
C. {x|x < -1}
D. {x|x > 5}
Graph the function using translations.
?
?
A. ?
B. ?
C. ?
D. ?
Write the first five terms of the arithmetic sequence.an = an - 1 + 7.3; a1 = -7
A. 7.3, 0.3, -6.7, -13.7, -20.7 B. -7, 7.3, 0.3, 7.6, 14.9 C. -7, 0.3, 7.6, 14.9, 22.2 D. -8, -0.7, 6.6, 13.9, 21.2
Solve the problem.The population of a particular city is increasing at a rate proportional to its size. It follows the function 
where k is a constant and t is the time in years. If the current population is 12,000, in how many years is the population expected to be 30,000? (Round to the nearest year.)
A. 88 yr B. 7 yr C. 8 yr D. 15 yr