a ( 4 , w ^ 2 ) is the ( x , y ) coordinate of point located on the parabola y = x ^ 2 + 9 . what is the value of w ?
"y = x ^ 2 + 9 w ^ 2 = 4 ^ 2 + 9 w ^ 2 = 25 w = 5 answer c"
power(subtract(power(4, 2), 9), divide(9, 4))