Which graph represents f(x)=1/2x^2 ?

See below.

Step-by-step explanation:

The one that looks like the attachment.

It is vertically shortened from f(x) = x^2, so appears wider than f(x) = x^2 does. The vertex is still at (0, 0), it still opens upward, and it remains symmetrical about the y-axis.

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

c. side angle side. u shares the same sides