Evaluate f(x)
1
fx for x = 4.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Which of the following is not a subset of {1,2,3}?

Find the distance between (7,-6) and (-3,-9)