Answer:
(-7,1)
Step-by-step explanation:
The vertex of a parabola is the maximum or minimum point on the graph. On this point, the maximum is at (-7,1).
$1,190
$850(0.25) = 212.50
$850(0.15) = 127.50
$850+212.50= 1,062.50
1,062.50+127.50= 1,190
