Solve the problem.A new exhibit is scheduled to open at the local museum. Museum officials expect that 9000 people will visit the exhibit in its first week, and that the number of visitors will drop by 20 people per week after the first week during the first 6 months. Find the total number of visitors expected in the exhibit's first 7 weeks.
A. 44,700 visitors
B. 62,580 visitors
C. 53,700 visitors
D. 62,460 visitors
Answer: B
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Graph the function with a graphing utility.y = x4 + 2x2 - 2
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Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 12 inches by 25 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(12 - x)(25 - x) B. V(x) = x(12 - 2x)(25 - 2x) C. V(x) = (12 - 2x)(25 - 2x) D. V(x) = (12 - x)(25 - x)
Solve.A young married couple had a combined annual income of $48,000. If the wife made $6000 more than the husband, graph the system to find the two incomes.
A. Wife's income: $12,000 Husband's income: $36,000 B. Wife's income: $36,000 Husband's income: $12,000 C. Wife's income: $21,000 Husband's income: $27,000 D. Wife's income: $27,000 Husband's income: $21,000
Simplify the complex fraction.
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D. 