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Afina-wow [57]
3 years ago
10

Can anyone please help??????

Mathematics
2 answers:
lara [203]3 years ago
4 0

For this case, we have a function of the form:

y = P (m)

Where "y" represents the number of problems completed.

We must find the inverse function of:

P (m) = \frac {m} {4} +7

For this, we perform the following steps:

We change P(m) to y:

y = \frac {m} {4} +7

We clear the variable "m":

y-7 = \frac {m} {4}

4 (y-7) = m

We change m tof ^ {-1} (m):

4 (y-7) = f ^ {- 1} (m)\\f ^ {- 1} (m) = 4y-28

Taking into account that "y" represents the number of problems completed, we substitute "y" for "p":

f ^ {- 1} (m) = 4p-28\\M (p) = 4p-28

Answer:

Option D

Ivahew [28]3 years ago
3 0

its =======>D<==========

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