Answer:
f(1)=17
f(-2)=-7
Step-by-step explanation:
We are given that a function 
We have to evaluate f(1),f(-2) and 
Substitute x=1 in the given function then we get
f(1)=17
Substitute x=-2 in the given function then we get
f(-2)=-7
Substitute 
Then we get
Step-by-step explanation:
I think answer A should be the correct answer
First, add -7 to both sides of the equation:
Dividing by 9 gets us:
The answer is x = 0.
The answer to this is c. y=2x-6
Based on the given, it can be said that the parabola is opening to the left since the focus is located at point (-2,0). Based on the basic property of the parabola, the distance between the vertex and the focus is equal to the distance from the vertex to the point where the directrix passes through. Also, the directrix is always parallel to the latus rectum. Therefore, equation of directrix, x=2
