The concentration C(t) of a certain drug in the bloodstream after t minutes is given by the formula C(t)=0.08(1−e−0.1t). What is the concentration after 10 minutes? Round to three decimal places.

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.