Question 4 (2 points) A rocket is shot off from a launcher. The accompanying table represents the height of
the rocket at given times, where x is time, in seconds, and y is height, in feet.
a. Write a quadratic regression equation for this set of data, rounding all
coefficients to the nearest hundredth. y =
x²+
+
b. Using this equation, find the height, to the nearest foot, at a time of 6.4 seconds.
feet