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
18 is the answer because... Woodwinds have 6, Percussion has 3, and Brass has 9! Hope that I helped! :)
Answer: 0
Step-by-step explanation: you just have to divide a little bit then you just multiply.
Answer:
=
Step-by-step explanation:
Substitute 3 in for m and solve
4m - 1 = 4(3) - 1 = 11
5m - 4 = 5(3) - 4 = 11