consider this expression 9/4x^2-12x + 7x/x^2-9 the least common denominator of the two rational is (4x or 2x or x)(x-3 or x-12 or x-4 or x-6)( x+4 or x+3 or x +9 or x+6)

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Find the cosine function that is represented in the graph.

Which of the following represents the range of the graph of f(x) below