Help help help help help help

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Find the area of the triangle shown 3 by 6