Which of the following functions best describes this graph

Choice C)

y = (x-2)(x-2)

note: This is the same as y = (x-2)^2

The x intercept or root is x = 2, so x-2 is a factor. There is only one root visible, but this is a parabola, so it's technically a double root (it repeats itself). That is why (x-2) shows up twice giving (x-2)(x-2)

If the equation was simply y = x-2, then it would be a linear equation instead of a curved parabola.

Note how plugging in x = 2 leads to the following y value

y = (x-2)(x-2)

y = (2-2)*(2-2)

y = 0*0

y = 0

So (2,0) is the only x intercept.

the graph top, left is y = 4x

a) 15/7

step-by-step explanation: