8. a) Plot the triangle with vertices A(-2, 1),
B(2, -1), and C, (0,5).

Aquadratic function is one of the form f(x)=ax2 + bx + c l, where a,b, and c are numbers with are not equal to zero.

It’s c. i’m almost sure

If i think this is what your asking, he should look at the grams or pounds/ounces and compare the to their cost then max can identify which one is proportional and which is not ( i think xd)