Xis less than 9 and greater than or equal to 3

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Identify the number as a rational or irrational.explain. 127

Find the domain and range of the following function f(x) = 51x - 21+ 4