Problema Solution
What is the algebraic equation for charges per pound when 1 lb is 3.85,2 lbs are 3.95,3 lbs are 4.75,4 lbs are 5.30, and 5 lbs are 5.85?
Answer provided by our tutors
Enter your data into STATS on the TI-83.
L1 . . L2
---------------
1 . . 3.85
2 . . 3.95
3 . . 4.75
4 . . 5.30
5 . . 5.85
If you use STATs to find the best-fitting line for these 5 points, it is a quartic equation:
y = 1/20x⁴ - 79/120x³ + 61/20x² - 623/120x + 33/5