Using the inverse function, it is found that the equation is:

It's initial value is 20.
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We want to find the inverse of:

To do this, we <u>exchange y and t, and isolate y.</u>
Then:








It's initial value is:

Rounding, 20.
A similar problem is given at brainly.com/question/23950969
Lets write this out:-

To answer this we just need to add the numerators of both fractions because the denominator's are already common multiples.

Now lets simplify

.

So,

Hope I helped ya!! xD
The GCF of 8x and 40 is 8
I believe the answer is 4 if you need an explanation then reply to me!