Answer this for free points <33333

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

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

Miss henderson wants to build a fence around a rectangular garden in her backyard in the scale drawing the perimeter of the garden is 14 in of the actual length of a b is 20 ft how many feet of fencing what you need