Simplify the algebraic expression.4x + x
A. 4x2
B. 5
C. 5x
D. 5x2
Answer: C
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Find the area enclosed by the given curves.Find the area of the region between the curve y = 23-x and the interval 0 ? x ? 2 on the x-axis.
A. 
B. 6 ln 2
C. 
D. 8
Rewrite as a single logarithm using the quotient rule for logarithms. Assume all variables represent positive real numbers.loga1,000,000 - loga 1000
A. loga 999,000
B. loga 
C. loga 1000
D. 1000 loga 1,000,000
Solve the rational inequality. Express the solution in interval notation.
? 0
A. (-?, -12] ? [8, ?) B. (-?, -12] ? (1, 8] C. [-12, 1) ? [8, ?) D. [-12, 1) ? (1, 8]
Solve the problem by using two equations with two variables.A movie theater charges $10.00 for adults and $8.00 for children. If there were 40 people altogether and the theater collected $368.00 at the end of the day, how many of them were adults?
A. 24 adults B. 29 adults C. 10 adults D. 16 adults