Which of these statements is true for f(x)=5*(6)^x?
a. the domain of f(x) is x> 0.
b. the y-intercept is (0,1).
c. it is always decreasing.
d. the y-intercept is (0,5).

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Which is the focus of a parabola with equation y2=4x