How do i sketch the graph of each function?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3

Which equation represents a direct linear variationa. y=x2b. y=2/5xc. y=1/xd. y=x+3

Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.