For rational functions and functions with square roots, the domain can be all real numbers except (1) anything that will make the
zero and (2) anything that will make an expression under a
zero.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?