The graph below depicts the price of apples relative to the quantity.
How many kg of apples can you buy for $9?
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The graph below depicts the price of apples relative to the quantity.
How many kg of apples can you buy for $9?
Let's first observe the Y-axis which is representative of the price. Locate 9 dollars - and mark a point.
From this point, we'll draw a vertical line until we meet the straight line.
Now let's observe the X-axis which is representative of the quantity in kg.
We'll draw a line from the point where we reached the Y-axis to the straight line, towards the X-axis and determine the weight: 8 kg.
8
Look at the function shown in the figure.
When is the function positive?
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