Let f be a function from a set X to a set Y. Define precisely (but concisely) what it means for f to be one-to-one.
What will be an ideal response?
Mathematics
You might also like to view...
Express as a sum of logarithms.log10 xy
A. log10 x - log10 y B. log5 x + log5 y C. log5 x - log5y D. log10 x + log10 y
Mathematics
Solve the problem.Brand X copier advertises that its copiers run 23% longer between service calls than its competitor. If Brand X copiers run 59,800 copies between services, how many copies would the competitor run?
A. 48,618 copies B. 73,554 copies C. 33,785 copies D. 46,046 copies
Mathematics
Simplify the given expression.-4 ? 22
A. 64 B. 16 C. -16 D. -64
Mathematics
Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. x = 7.16 B. x = 0.42 C. x = 30.4 D. x = 5.3
Mathematics