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Home > CC4 > Chapter 2 > Lesson 2.2.4 > Problem 2-86

2-86.

Does the table below appear to represent a function? If so, write an equation using function notation. If not, explain why it cannot represent a function. 2-86 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 the right to view full version of the eTool: Int1 2-86 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