Which expression gives the same result as t=0

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?

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.

Write the equation in logarithmic form e^x=403.429