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Filename: controllers/calculator.php

Line Number: 37

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Given is an equation f(x) = 5 x + 10.

To find the inverse y =5 x + 10 Switch ‘x’ and ’y’ places x = 5y + 10

Solve for y Adding 10 on both sides of the equation x + 10 = y/5

Now multiply both sides by 5 5(x + 10) = 5 y/5

y =5(x + 10).

Therefore f(x)

Given is an equation f(x) = 7 x + 5.

To find the inverse y =7 x + 5 Switch ‘x’ and ’y’ places x = 7y + 5

Solve for y Subtracting 5 on both sides of the equation x - 5 = 7 y

Now divide both sides by 7 (x - 5)/7 = 7 y/7

y =(x - 5)/ 7.

Therefore f(x)