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In this lesson, we will learn how to identify the graph of a linear function.

Q1:

Which line graphs the function π¦ = 2 π₯ + 3 ?

Q2:

What function is represented in the figure below?

Q3:

Q4:

Q5:

Q6:

Does the shown figure represent a linear function?

Q7:

Complete the following statement: The graph of a function is .

Q8:

Alan read 2 books of 150 pages each in 3 months. At his school, the teacher showed a graph of the number of pages that pupils in his year group are expected to read against time.

Does Alan read less or more than what is expected from his school?

What is Alanβs reading rate?

What is the expected rate?

Q9:

After graphing the function using the given table of values, determine whether it could be a linear function.

Q10:

Determine whether the given table of values must be from a nonlinear function, or could be from a linear function.

Q11:

A car manufacturer claims that the consumption of fuel of one of their cars is 5 . 2 / 1 0 0 L k m . James measured the distance she covered with different volumes of fuel. She plotted her results and drew a line of best fit.

Did her car consume more or less fuel than what the car manufacturer had claimed?

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