# Algebra

posted by Paige

1.what kind of function best models the data in the table use differences and ratios.

x y
0 5
1 7
2 9
3 11
4 13

2.write an equation to model the data table.

x y
0 3
1 5.3
2 7.6
3 9.9
4 12.2

3.write an equation to model the data table.

x y
0 1.4
1 4.2
2 12.6
3 37.8
4 113.4

1. Paige

Help... ASAP

2. Damon

1. note constant d = 2
arithmetic sequence
straight line of slope 2

3. Damon

2. constant d again
y = m x + b
y = 2.3 x + 3

4. Damon

3, whoa, climbing faster
try
y(n+1) = 3 y(n)
geometric
ratio is always 3
or r = 3
y = 1.4 * 3^(x)

try x = 4
y = 1.4 * 3^4 = 1.4 * 81 = 113.4
it worked

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