Question

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Answer 1

Answer:

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

Step-by-step explanation:

Swap x and y and solve for y.

Original equation:

y = 2x + 3

Swapped equation:

x = 2y + 3

Now, solve for y:

x -3 = 2y

y = (x-3)/2

If it's wrong, it might just be the way you format your answer, since Pearson (what I assume you're using) is specific about that.

Maybe, $f^{-1}$(x) = x/2 - 3/2 or $f^{-1}$(x) = (x-3)/2