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katrin [286]
2 years ago
12

I need help in this zzzzzzz

Mathematics
1 answer:
konstantin123 [22]2 years ago
3 0

Answer:

7

Solution:

This is a <em>linear function. </em>This means means that r is our rate of change.

To find r recal following formula

r=\frac{\Delta y}{\Delta x} = \frac{y_2-y_1}{x_2-x_1}

Since this is a linear function we can choose any two points. I will choose the first two for simplicity

\Displaystyle \therefore r = \frac{42-14}{6-2}=\frac{28}{4}=7

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