ANSWER
The graph in option D.
EXPLANATION
The given function is:

We complete the square to obtain:




The graph of this function opens upwards and has its vertex at (2,-2).
The y-intercept is 10.
From the options the graph that satisfies all these properties is D.
5,7,8 they all equal 21, 21 divided by 3 is 7
Just look it up you can find the answers you are looking for
Answer: (2,-5.4)
When I reflect across the y axis I keep the sign of x the same but change the sign of y
For example: (1,2)=(1,-2)