3. Which of the following quadratic functions has a maximum vertex? (1) y = 2x + 5
(2) y = -3x - 8
(3) y = – x2 + 5x – 24
(4) y = x2 – 3x – 18

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120