Evaluate the exponential expression.
2
A. - 
B. 
C. - 1
D. - 
Answer: B
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Provide an appropriate response.Solve the inequality: x2 - 9x ? 0
A. 0 ? x ? 9 B. -3 ? x ? 3 C. x ? -3 or x ? 3 D. x ? 0 or x ? 9
Solve.A young married couple had a combined annual income of $52,000. If the wife made $4000 more than the husband, write these relationships as a system of equations. Let x represent the husband's income and let y represent the wife's income.
A. x + y = 4000 y = x + 52,000 B. x + y = 52,000 y = 4000 C. x - y = 52,000 y = x + 4000 D. x + y = 52,000 y = x + 4000
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.8th term is 47; 14th term is 11
A. a1 = 89, d = -6, an = an-1 - 6 B. a1 = 95, d = -6, an = an-1 - 6 C. a1 = 95, d = 6, an = an-1 + 6 D. a1 = 89, d = 6, an = an-1 + 6
Solve by graphing.The cost y (in hundreds of dollars) of tuition at one community college is given by the linear equation 
where x is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 14 credits. 
A. $2900 B. $2500 C. $1700 D. $1950