Solve QE by graphing
Anwer the plowing questions :
f(x) = x^(2) -2x - 4 is QE the following graph represents the equation
1) what is a , b and c
2) solve f(-1), f(-2),f(0),f(1),f(2),f(3), f(7)
3) solve the equations : f(x) = 4 , f(x) = -1 , f(x) = -5 , f(x) = -7
