Pam buys the following item a a shirt
1 answer:
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The domain of the function is .
The attached image represents the complete form of the question
The functions are given as:
g(x) = 5x + 2
The function (f/g)(x) is calculated using:
This gives
The denominator cannot be 0.
So, we have:
Solve for x
Hence, the domain of the function is .
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You have to FOIL out the (x+4)(x-4) and then subrtract away the 9 in order to get a quadratic that you can solve for x. As it is, you can't do it.
Now if you move the 9 over with it, you get this:
which simplifies to
Now you can either solve this by recognizing that is the difference of perfect squares, or you can move the 25 over to the other side and take the square root of both sides, like this:
Now if you move the 9 over with it, you get this:
which simplifies to
Now you can either solve this by recognizing that is the difference of perfect squares, or you can move the 25 over to the other side and take the square root of both sides, like this: