Simon invested £20 000 at a compound interest rate of 2.5% per annum. At the end of
n
years the investment has a value of £
V
.

Write down a formula for
V
in terms of
n
.

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.