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BigorU [14]
4 years ago
6

Assume that the function f is a one-to-one function, (a) f(8) = 9, find f ^ -1 (9)

Mathematics
1 answer:
Annette [7]4 years ago
8 0

(a) since we are given that f(8) = 9, the inverse of 9 is simply 8. Therefore, f^-1(9) = 8.

(b) Again, f is the inverse of f^-1, therefore, you simply switch numbers, and you get that f(-3) = -7.

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A number is divided into two parts, such that one part is 10 more than the other. If the two parts are in the ratio 5:3 find the
natta225 [31]

Answer:

See below

Step-by-step explanation:

Given the above information, we can make the first part to be;

First part = y + 10

Then,

Second part = y

y + 10 : y = 5 : 3

(y + 10) / y = (5) / (3)

Cross multiply,

3y + 30 = 5y

Collect like terms

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Therefore, substituting the value of y,

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3 0
3 years ago
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zysi [14]
M would stand for 5/8 because 1/2 is equal to 4/8. So what you would do is 1/8 + 1/2 and you get 5/8.
7 0
3 years ago
Answer parts A and B in the imagine attached
mrs_skeptik [129]
A is one solution
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6 0
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Can someone please scallion what I have to do to get the answer? Please explain step by step to get marked!
tankabanditka [31]

Answer:

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or

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7 0
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