X 8.4.AP-3 Question Help
During one game, the punter of a team was called upon to punt the ball 8 times. On one of these punts, the punter struck the ball at his own 30-yard line. The height,
h, of the ball above the field in feet as a function
of time, t, in seconds
can be partially modeled by the following table. Answers parts a through f.
t(sec.)
h(t) (ft.) 2.49 28.77 42.09 46.51 37.59 17.52
a. Sketch a scatterplot of the data using your graphing calculator. Choose the correct graph below.
0
0.6
1.2
1.8
2.4
3.0
O A.
ОВ.
c.
OD
a
a
Q
a
E
(All graphs have the viewing window to, 3, 1] by [0, 50, 101.)
b. Use your graphing calculator to obtain a quadratic regression function for this data.
h(t)=0
(Use integers or decimals for any numbers in the expression. Round to four decimal places as needed.)