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Yanka [14]
3 years ago
10

I need help the find the definition to these PleaseHELP!!!!!

Mathematics
2 answers:
Soloha48 [4]3 years ago
8 0

Answer:

5) -1

6) 6

7) -4

8) \: 4

Hope it helps✌️

Mark as brainliest◉‿◉

julia-pushkina [17]3 years ago
4 0

"subtracting their absolute values"

or more precisely

"subtracting the smaller absolute value from the larger absolute value"

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ludmilkaskok [199]

Answer:

a. f^-^1(x)=\frac{x}{4} +3

b. f(-9)=-48

c. f^-^1(-9)=\frac{3}{4}

Step-by-step explanation:

In a, the -1 means inverse of f(x). To find the inverse, you rewrite the equation in terms of x and y. You replace the x with y and y with x. Then you solve for y.

f^-^1(x)=4x-12

y=4x-12

x=4y-12

x+12=4y

\frac{x}{4} +3=y

f^-^1(x)=\frac{x}{4} +3

In b, all you have to do is plug in -9 into f(x).

f(9)=4(9)-12

f(9)=-48

In c, you plug in -9 into inverse function f.

f^-^1(-9)=\frac{3}{4}

7 0
3 years ago
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