Answer:
D. (-2,1)
Step-by-step explanation:
we have

This is the equation of a vertical parabola open upward The vertex represent a maximum
Convert the quadratic equation in vertex form

where
(h,k) is the vertex
Complete the square



Rewrite as perfect squares

The vertex is the point (-2,1)
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Answer:
If it a khan you can go take a hint and try to find it
Answer:
252
Step-by-step explanation:
6x42=252
$313.80
for forty hours she got paid $288
and for the final 15, she got $28.80