Question

Which is the graph of the function f(x) = 1/2x2 + 2x - 6?

Answer 1

1/2 x^2 + 2x - 6 = 0

(1/2 x - 1)(x + 6) = 0

zeroes are 2 and -6

so the graph intersects x axis at -6 and 2

The only one to do that is diagram A

Explanation: