A parabola passes through the points (-2, 1), (2, -7), and (4,-5). What is the value of, a, the coefficient of x^2? (Convert the answer to a decimal, if necessary.)

Complete the table for different values of x in the polynomial expression -7x2 + 32x + 240. then, determine the optimal price that the taco truck should sell its tacos for. assume whole dollar amounts for the tacos.

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Which one is true about the hexagons ?