Question

f(x)=-2x^2+2x+4
x-coord of vertex?
y-coord of vertex?
equation of line of symmetry?
min or max of f(x)?

Answer 1

x-cord is 1/2
y-cord is 9/2
x=1/2
min or max of is 9/2 (I think)
value is a maximum

Answer 2

You're right.