Determine in which direction the parabola below opens.

y = x2 - 7x + 18
left
right
up
down

Find the roots of the equation below. x^2 - 6 + 9 = 0

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes