Find all the critical numbers of the function.f(x) = xe-5x
A. 
B. -5
C. 0
D. e-5x
Answer: A
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Divide. Write with positive exponents.
A. 2x3 + 8x2 - 5 + 
+ 
B. 2x3 + 24x8 - 15x6 + 15x4 + 8x3
C. 6x9 + 8x2 - 5 + 
+ 
D. 2x3 + 8x2 - 5
Solve the problem.During the 1998-1999 Junior Hockey League season, the Sharks played 48 games. Together, their wins and losses totaled 43. They tied 9 fewer games than they lost. How many games did they win that season?
A. 25 games B. 29 games C. 5 games D. 14 games
Find the weighted mean of the numbers in the table. Round to the nearest tenth.Five rats were inoculated against a disease. After an incubation period, the number of rats contracting the disease was noted. The experiment was repeated 20 times, with the results shown in the table. 
A. 2.7 rats B. 2.3 rats C. 3.1 rats D. 2.4 rats
Solve the equation.4.1x - 5.4x = -23.4
A. 20 B. 18 C. 19 D. 17