Solve the problem.During the first four months of the year, Jack earned 
and 
If Jack must have an average salary of at least 
in order to earn retirement benefits, what must Jack earn in the fifth month in order to qualify
for benefits?
A. at least $1040
B. at most $1215
C. at least $1208
D. at most $1180
Answer: A
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Use the graph to determine how close x must be to x0 in order that f(x) is within ? of L. Your answer should be of the form "If x is within ___ of ___, then f(x) is within ____ of ___ ."
A. If x is within 1 of 2, then f(x) is within 0.24 of 6 B. If x is within 0.25 of 2, then f(x) is within 1 of 6 C. If x is within 0.24 of 2, then f(x) is within 1 of 6 D. If x is within 0.24 of 6, then f(x) is within 1 of 2
Determine the integral by making an appropriate substitution.
dx
A. 7x6 - 12x5 + C
B. 
(x7 - 2x6)6 + C
C. (x7 - 2x6)6 + C
D. 
(x7 - 2x6)5 + C
Solve the equation by first clearing it of fractions or decimals.0.8x - 0.4(20 + x) = 0.2(20)
A. x = 40 B. x = 15 C. x = 20 D. x = 30
Solve the inequality and graph the solution set. Write the solution set in interval notation.| 4x - 5 | ? 6
A. 
B. 
? 
C. 
? 
D. 
