Find the reciprocal.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Assume that the sales of a computer retail store are approximated by a linear function. Sales were 
in 1984 and 
in 1989. Let x = 0 represent 1984. Find the equation giving yearly sales. Estimate sales in 1992.
A. y = 340,000x + 770,000 y = 3,830,000 in 1992 B. y = 510,000x + 770,000 y = 4,850,000 in 1992 C. y = 408,000x + 770,000 y = 4,034,000 in 1992 D. y = 510,000x + 770,000 y = 4,340,000 in 1992
Solve and check. Begin by using the addition or multiplication principles of equality to isolate the squared term. x2 - 225 = 0
A. 15 B. ±15 C. 113.5 D. ±14
Use mathematical induction to prove the statement is true for all positive integers n.4n > n
What will be an ideal response?
Multiply to find the exact answer. Express the answer as a whole or mixed number when possible and simplify.4 ? 5
A. 20
B. 20
C. 20
D. 21