Question

# When a new laptop became available in a store, the number sold in the first week was high. Sales decreased over the next two weeks and then they remained steady over the next two weeks. The following week, the total number sold by the store increased slightly. Sketch the graph that represents this function over the six weeks.

## The correct answer is: x = 5 to x = 6 Y

### HINT – Figure out the slope of the graph with respect to each situation given in the question.

SOL – Let no of weeks = x

No of laptops sold = y

It is given that number sold in the first week was high.

Þ Slope is positive and line is steep for x = 0 to x = 1.

Then, sales decreased over the next two weeks.

Slope is negative for x = 1 to x = 3

Further, sale remained steady over the next two weeks.

Slope is 0 for x = 3 to x = 5

Then, number sold by the store increased slightly in next week.

Slope is positive but line is not that steep for x = 5 to x = 6

Y

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