PLEASE HELP I'VE BEEN DOING THIS FOR 2 HOURS!!

The table shows a meteorologist's predicted temperatures for an April day in Washington D.C. Use quadratic regression to find a quadratic model for this data. (Use the 24-hour clock to represent times after noon.)

Time
Predicted Temperature

8 a.m.
50.68

10 a.m.
62.24

12 p.m..
69.75

2 p.m..
73.2

4 p.m...
72.59

6 p.m..
67.93

a.) –0.007x2 + 15.907x – 40.131
b.) –0.507x2 + 14.907x – 36.131
c.) –0.507x2 – 14.907x + 36.131
d.) –1.007x2 + 13.907x – 32.131

Question

PLEASE HELP I'VE BEEN DOING THIS FOR 2 HOURS!!

The table shows a meteorologist's predicted temperatures for an April day in Washington D.C.  Use quadratic regression to find a quadratic model for this data.  (Use the 24-hour clock to represent times after noon.)

Time
 Predicted Temperature 
 
8 a.m.
 50.68
 
10 a.m.
 62.24
 
12 p.m..
 69.75
 
2 p.m..
 73.2
 
4 p.m...
 72.59
 
6 p.m..
 67.93
 
a.) –0.007x2 + 15.907x – 40.131
b.) –0.507x2 + 14.907x – 36.131
c.) –0.507x2 – 14.907x + 36.131
d.) –1.007x2 + 13.907x – 32.131

anonymous · Answer

@satellite73  helppp!

anonymous · Answer

@Algebraic! can you help me?? pleeeease?

anonymous · Answer

@myininaya  help!):

anonymous · Answer

@Zarkon helpppp!!

anonymous · Answer

Refer to the attachment.  Calculations provided by Mathematica 8 Home Edition.

anonymous · Answer

1. y=3x^2-2x+2
2. y=4x^2+5x-6
3. P(x)=33x^2-24x+635; 2555 waterfowl
4. -0.507x^2+14.907x-36.131
5. 0 < or = to x < or = to 8