Which equation represents the graphed function?

y = 4x – 2
y = –4x – 2
y =1/4 x – 2
y = –1/4 x – 2

When you answer this can you explain

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Given the quadratic function f(x)=3x^2-24x+49 a. use “completing the squares” to convert the quadratic function into vertex form b. state the vertex c. find the x and y intercepts d. graph the function