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Cerrena [4.2K]
3 years ago
14

Please help ! Algebra

Mathematics
2 answers:
Sladkaya [172]3 years ago
6 0

Answer:

f^-1(3) =7

Step-by-step explanation:

no calculate  f^-1 :

let : f^-1(3) =a   so : f(a) = 3

(2a-2)/4 = 3

2a-2 = 12

2a=14

a = 7

f^-1(3) =7

Simora [160]3 years ago
5 0

Answer:

C

Step-by-step explanation:

y = (2x - 2) / 4 Interchange x and y

x = (2y - 2) / 4  Multiply both sides by 4

4x = 2y - 2       Add 2 to both sides.

4x + 2 = 2y       Divide both sides by 2

4x/2 + 2/2 = 2y / 2

2x + 1 = y

Now put 3 in wherever you see an x

2*3 + 1 = y

6 + 1 = y

7 = y

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Step-by-step explanation:

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Rhada has a 6-pound bag of day . Her craft project requires 6 ounces of clay for each batch of 3 ornaments. If she uses all of the clay, how many ornaments can Rhada make?

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