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Home > CCA > Chapter 2 > Lesson 2.1.3 > Problem 2-31

2-31.

Does the table below appear to represent a function? If so, write an equation using function notation that represents the table. If not, explain why it cannot represent a function. 2-31 HW eTool (Desmos). Homework Help ✎

Figure #
x

0

1

2

3

4

# of tiles
y

4

8

12

16

20

Input the points into the table in the eTool below to determine if it represents a function.
Click the link at right for the full version of the eTool: CCA 2-31 HW eTool

There can only be one y-value for each x-value in a function.

Plot the points on a graph and draw a slope triangle or use another method to find the slope.
The y-intercept is given in the chart when x = 0.

f(x) = 4x + 4