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Margarita [4]
1 year ago
5

If f(x)=2x-6, which of these is the inverse of f(x)?

Mathematics
1 answer:
nikitadnepr [17]1 year ago
3 0

Answer:

f-¹(x) = (x + 6)/2

Step-by-step explanation:

Replace f(x) with y.

y = 2x – 6

Interchange x and y.

x = 2y – 6

Solve for y.

y = (x + 6)/2

Replace y with  f-¹(x)

f-¹(x) = (x + 6)/2

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Step-by-step explanation:

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2 years ago
Joan needs to estimate the size of her bedroom so that she can buy enough paint to cover the walls. Two of the walls measure 2.8
labwork [276]

The total area of the room is 37.6376 and the no. of cans required to paint the wall is 3 cans.

The measurement of two of the walls is 2.86 metres and 3.16 metre

Area of the two walls = 2(length x breadth)

Area = 2(2.86 x 3.16) = 18.0752 m²

The measurement of the other two walls is 2.86 metres and 3.42 metres

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Area = 2(2.86 × 3.42) = 19.5624 m²

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If one can of paint can cover 15 m², the no. of cans required to paint the bedroom will be

No. of cans = Total area/Area covered by one can of paint

No. of cans = 37.6376/15 = 2.5091 = 3 cans (approx.)

3 0
1 year ago
What is the square root of 144??
Maksim231197 [3]
12, or -12
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7 0
2 years ago
Read 2 more answers
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Which expression shows the result of applying the distributive property to -2(1/3x- 1/5)
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It is c hope this helps
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