I CAN CONNECT DIVIDING BY A FRACTION TO MULTIPLICATION
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It's choice C as the root overhead bar goes over all of (x-7) and not just the x. So you have the correct answer.
f(x) = x^4+7
y = x^4+7
x = y^4+7
y^4 = x-7
y = FourthRoot(x-7)
![y = \sqrt[4]{x-7}](https://tex.z-dn.net/?f=y%20%3D%20%5Csqrt%5B4%5D%7Bx-7%7D)
f(x) = x^4+7
y = x^4+7
x = y^4+7
y^4 = x-7
y = FourthRoot(x-7)
If Reginald answered 78% correctly out of a total 100%, we can subtract 78 from 100:
100 - 78 = 22
He answered 22% of the question incorrectly. But how do we find the bottom number? Remember what we said earlier. The <u>total</u> is 100%. He got 22% out of 100% wrong. Wouldn't that be ?
Now that we know our fraction, we can reduce it. Let's start by dividing our fraction in half:
=
Can we reduce that any more? No, because 11 can not be divided by anything else.
If you want the first fraction, go with , but if they want a reduced fraction, then
would be best.