Find the slope from the following coordinate points: (-4,-10) and (-9,-9)

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.

What are the domain and range of the function f(x)=2^x+1

What expression is equivalent to (84+16)