Simplify.(n2)-4
A. -n8
B. 
C. 
D. n8
Answer: B
Mathematics
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Find the largest open interval where the function is changing as requested.Increasing f(x) = 
A. (-?, 0) B. (-?, 1) C. (1, ?) D. (0, ?)
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Solve.A service station normally charges $69.95 for an automobile tune-up. A coupon entitles the customer to a 15% discount. What is the cost with a coupon?
Fill in the blank(s) with the appropriate word(s).
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Solve the problem.A certain radioactive isotope decays at a rate of 0.15% annually. Determine the half-life of this isotope, to the nearest year.
A. 333 yr B. 201 yr C. 5 yr D. 462 yr
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics