Select the function that matches the graph

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Find the vertex of the function given below y=x^2-6x+1

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left