Find an equation of the form y = c + b logax whose graph contains the two given points.(1, 10) and (5, 7)
A. y = 7 + 3 log5x
B. y = 3 - 10 log6x
C. y = 10 + 3 ln x
D. y = 10 - 3 log5x
Answer: D
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Factor out the greatest common factor.7s6 + 28s4
A. 7(s6 + 4s4) B. 28(s2 + 4s) C. 7s4(s2 + 4) D. s4(7s2 + 28)
Solve the problem.During the last four months of a recent year, Annie's Natural Food Store reported the following sales.September$2,817October$2,103November$2,938December$4,085How much more were the sales in December than the sales in November?
A. $1,147 B. $6,923 C. $7,023 D. $1,047
Solve the problem.During the first day of an epidemic 8000 people get sick, during the second day 16,000 people get sick, and so on with the number of people getting sick increasing by 8000 each day. The epidemic peaks after 30 days with 8000 fewer people getting sick on the 31st day than on the 30th day, and so forth. What is the total number of people who get sick?
A. 7,200,000 B. 6,960,000 C. 7,440,000 D. 7,320,000
Find the exact value of the expression.cot-1
A. 
B. 
C. 
D. 