Which relationship is not a function

What is the solution to the equation 9^(x+1) =27

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv