Is y a function of x? Or not?
And explain?

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Need ! give step by step solutions on how to solve number one [tex]\frac{9-2\sqrt{3} }{12+\sqrt{3} }[/tex] number two [tex]x+4=\sqrt{13x-20}[/tex] number three (domain and range) [tex]f(x)=2\sqrt[3]{x} +1[/tex]

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18