Question

Use the quadratic model y=-4x^2-3x+4 to predict y if x equals 5

Answer 1

y = -4x^2 - 3x + 4

x = 5

y = -4(5)^2 - 3(5) + 4

y = -4(25) - 15 + 4

y = -100 - 15 + 4

y = -114

Explanation: