3x - 15 > 3
_

a: 6/11
b: 5
c: - 9/11
d: 6

& explain how you got to the answer

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?