May someone Please help me who knows math well

Write each expression in exponential form and find its value.| ! 2 x 2 x 2 x 2

What is the vertex form of f(x) = x2 + 6x + 3

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.