Answer:
x - 3
Explanation:
f(x) = x + 3
y = x + 3
x = y - 3
Inverse is h(x) = x - 3
The inverse is x-3
y = x+3
To find the inverse, exchange x and y
x = y+3
Solve for y
x-3 = y+3-3
x-3 =y
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