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Write an equation for a function that gives thr value in the table. Use the equation to find the value of y when x= 12.

Sagot :

the First, we figure out the equation of the line.

[tex]\frac{y-y_1}{x-x_1}=\frac{y_2-y_1}{x_2-x_1}[/tex]

We pick point (8,27) as point 1 and (10,35) as point 2.

Therefore equation of line =

[tex]\begin{gathered} \frac{y-27_{}}{x-8_{}}=\frac{35-27_{}}{10-8_{}} \\ \frac{y-27_{}}{x-8_{}}=\frac{8}{2} \end{gathered}[/tex]

Cross multiplying, we have

8x -64 = 2y - 54

Adding 54 to both sides, we have:

8x - 10 = 2y

Dividing both sides by 2, we have:

y = 4x -5

Next, we substitute the value of x with 12 to get:

y = 4(12) - 5

y = 48 - 5

y = 43

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