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Grade 5 - Mathematics
13.4 Functions and Graphs

Example: The following graph shows values of the function f(x) for each value of x. What is the function shown in the graph?

We find that for 2 on x axis, the corresponding value on y axis is 1
Hence function is f(x) = x/2
Answer: f(x) = x/2

Directions: Find functions for the following graphs. Write at least 5 examples of your own.
Q 1: The following graph shows values of the function f(x) for each value of x. What is the function shown in the graph?

f(x) = x+3
f(x) = x/2
f(x) = x*2
f(x) = x+2

 Q 2: The following graph shows values of the function f(x) for each value of x. What is the function shown in the graph?

f(x) = x-2
f(x) = x/2
f(x) = x*2
f(x) = x+2

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 Question 4: This question is available to subscribers only!


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