Determine whether the function is one-to-one.f(x) = x3 - 7
A. One-to-one
B. Not one-to-one
Answer: A
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Is the following statement true or false?24 ? 11
A. True B. False
The simple interest note was discounted at 15%. Find the discount period in days and the proceeds.Loan made: Oct 13Face value: $52,000Length of loan: 100 daysRate: 11%Date of discount: Jan 4
A. 17 days, $51,620.41 B. 17 days, $53,209.30 C. 18 days, $51,705.26 D. 18 days, $53,294.15
Find the product or quotient.
? 
A. 
B. 
C. 
p
D. 
p
Find the intervals on which the function is increasing and the intervals on which the function is decreasing.f(x) = -x2 + 2x + 8
A. Increasing on (1, ?); decreasing on (-?, 1) B. Increasing on (- 1, ?); decreasing on (-?, - 1) C. Increasing on (-?, - 1); decreasing on (- 1, ?) D. Increasing on (-?, 1); decreasing on (1, ?)