How do i graph this rational function?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin

Solve the following inequalities and show the solution on a number line. 3/4 (2x-7) ≤ 5