Posted by Anonymous on .
find a quadratic function that fits the set of data points (1,4) (1,6) (2,16)

algebra 
Steve,
ax^2 + bx + c = y
plug in your points:
a + b + c = 4
a  b + c = 6
4a  2b + c = 16
a = 3
b = 1
c = 2
y = 3x^2  x + 2