Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one
B. not one-to-one
Answer: B
Mathematics
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Solve the problem.
Sarah Fields wants to borrow $133,000 at 4% to buy a house. How much would she save in total costs by going with a 15-year loan over a 25-year loan?
A. $36,176 B. $33,516 C. $37,373 D. $28,196
Mathematics
Use mathematical induction to prove that the statement is true for every positive integer n.5 ? 7 + 6 ? 8 + 7 ? 9 + ... + (n + 4)(n + 6) = 
What will be an ideal response?
Mathematics
Find the power of i.i9
A. i B. 1 C. -i D. -1
Mathematics
Solve the problem.Frank can type a report in 5 hours and James takes 7 hours. How long will it take the two of them typing together?
A. 
hr
B. 
hr
C. 7 hr
D. 
hr
Mathematics