Respuesta :
Answer:
y= -0.5x² + 1x + 7.5
Step-by-step explanation:
I graphed the points in Desmos and saw they looked liked a parabola the point (1,8) is in between -3 and 5 for the x-coordinate.
I put the values in a table. and had desmos do a regression

Answer:
f(x) = (-1/2)(x^2 + 8x - 15)
Step-by-step explanation:
Hope this helps