Question

Write the inverse function, f^-1 (x), for the function f (x) = 2x + 3

Answer 1

$f(x) = 2x + 3$

$y = 2x + 3$

Subtract the sides of the equation minus 3

$y - 3 = 2x$

Divided the sides of the equation by 2

$\frac{y - 3}{2} = x$

So ;

${f}^{ - 1}(x) = \frac{x - 3}{2}$

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And we're done.

Thanks for watching buddy good luck.

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