Answer:
6
Step-by-step explanation:
k=10
g(x)=2x^2+ kx+18
when x=-2
g(-2)=2 (-2)^2 -2k +18
Since when x is -2, y =6
6=2 (-2)^2 -2k +18
6=18+8-2k
2k=26-6
2k=20
(-10,-30)
HOPE THIS WILL HELP YOU
5x^4 - 37x^3 - 6x^2 + 41x - 6