Which function has an inverse that is also a function? Group of answer choices g ( x ) = 2 x − 3 w ( x ) = − 20 k ( x ) = 9 x 2
1 answer:
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Answer:
x = 3
Step-by-step explanation:
The fractions need to have common denominators. So, we would make the common denominator (x + 3)(x - 3), or, x^2 - 9
Multiply the numerator by the same number or variable as the denominator and then combine.
Once their is x and a number left you would solve for x.
