1. Determining function types from Data Tables
MAP4C1

2. Linear We know linear graphs have a constant slope
This means the graph increases by equal steps
In a table of values, the 1st differences of the y-values are constant
Linear

3. Quadratic graphs are curved and increase as a square of the x- values
A plot of y vs x2, would yield a straight line
In a table of values, the 2nd differences of the y-values are constant (the 1st differences make an arithmetic sequence).
Quadratic

4. Exponentials Curved graphs, with varying bases
Exists above the x-axis, unless it undergoes some sort of vertical translation
The data table can be used here as well: the 1st differences of the y-values will yield a geometric sequence.
The ratios of the 1st differences will be a constant
Exponentials

5. Text work Page 442 #1, 2 Page 447 #1, 2 Page 463 #2,3, 6, 8
Page 470 Investigation – hand in!
Text work