posted by Sammy-please help!!!! .
answer the following for the given quadratic function
a. Does the graph of f open up or down?
b. What is the vertex of (h,k) of f?
c. What is the axis of symmetry?
D. What is the intercepts?
E. What is the domain?
F. What is the range?
G. On what interval is f increasing?
H. On what interval is f decreasing?
please show work
now just run down the list of stuff you know, This is mostly algebra I.