Is the relation {(<,>),(+,=),(&,%)} a function? 1. yes, since no first element is repeated.
2. yes, because there are 4 ordered pairs.
3. no, functions must have numbers.
4. no, because the “&” isn’t a math symbol.

Which answer is the solution set to the inequality |x|< 9? a. x< -9 or x> 9 b. x> -9 and x< 9 c. x> -9 or x< 9 d. x< 9 and x< 9

Segment ab is shown on the graph. which shows how to find the x-coordinate of the point that will divide ab into a 2: 3 ratio using the formula

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.