SOLUTION: 2. Take a look at the table below and write out an equation for f(x). x -2 -1 0 1 2 f(x) -5 -2 1 4 7

Algebra ->  Functions -> SOLUTION: 2. Take a look at the table below and write out an equation for f(x). x -2 -1 0 1 2 f(x) -5 -2 1 4 7       Log On


   

Question 120001: 2. Take a look at the table below and write out an equation for f(x).

x
-2
-1
0
1
2

f(x)
-5
-2
1
4
7
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
write out an equation for f(x).
x
-2
-1
0
1
2
f(x)
-5
-2
1
4
7
----------
Notice that when x = 0, y = 1 so the y-intercept is 1
--------
Notice that when x increases from 0 to 1, y increases from 1 to 4
So the slope is 3
--------------------
EQUATION:
y = 3x+1
=================
Cheers,
Stan H.