The graph of which function is decreasing over the interval (-4, c)?
f(x) = (x + 4)2 +4
f(x) = -(x + 4)2 + 4
f(x) = (x – 4)2 - 4
f(x) = -(x – 4)2 - 4

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

For which pair of functions is (gof)(a)=|a|-2?

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)