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Virty [35]
3 years ago
8

The table shows how the number of cars, c, depends on the number people, t. How would you write this as an equation?

Mathematics
1 answer:
Nataly [62]3 years ago
6 0

Answer:

t = 3c - 5

Step-by-step explanation:

The relation between c and t is linear as the increase of the value of t is uniform for each unit increase in the value of c.

Now, any two points on the graph of the t = f(c) equation are sufficient to determine the equation.

Let the points are (2,1) and (3,4).

So, using two points formula of straight line we get the equation is  

\frac{t - 4}{4 - 1} = \frac{c - 3}{3 - 2}

⇒ t - 4 = 3(c - 3)

⇒ t - 4 = 3c - 9

⇒ t = 3c - 5 (Answer)

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