SOLUTION: 1. Take a look at the following table: x -2 -1 0 1 2 f(x)-5 -2 1 4 7 a. Write out an equation for f(x). Assume the function is linear b. What is the slope?

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Question 227937: 1. Take a look at the following table:
x -2 -1 0 1 2

f(x)-5 -2 1 4 7

a. Write out an equation for f(x). Assume the function is linear
b. What is the slope? Is it negative or positive? What information do we get from the slope?


Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Take a look at the following table:
x -2 -1 0 1 2
f(x)-5 -2 1 4 7
-----------------------
Note: As x increases 1, f(x) increases 3; so the slope is 3
Note: When x is zero, f(x) is -2 ; so the intercept is -2
---------------------------------------------------
a. Write out an equation for f(x). Assume the function is linear
f(x) = 3x-2
----------------------------
b. What is the slope? Is it negative or positive? What information do we get from the slope?
Slope = 3 ; positive ; as x increases 1, f(x) increases 3.
===============================================================
Cheers,
Stan H.
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