Francis is half of Tyler's age (t). Francis just turned 9.
Choose the equation that correctly models this situation.

9 = 1/2t

9 = 2t

2 + t = 9

t - 9 = 1/2

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.