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nalin [4]
2 years ago
15

Helpp plz: use inverse operations to write the inverse of f(x)= x/2 - 1

Mathematics
1 answer:
Aleksandr-060686 [28]2 years ago
6 0

Answer:

f-1 (x) = 2x + 2

Step-by-step explanation:

f(x) = x/2 -1

y = x/2 -1

interchanging the position of x and y

x= (y-2)/2

2x =y - 2

y = 2x + 2

f^-1 (x) = 2x + 2

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SIZIF [17.4K]

Answer:

1) 2b + 6

2) 8w - 12

3) 2b + 6 + 6x + 20

4) 9w^2 + 27 + 8 - 27

5) Sorry.

Step-by-step explanation:

8 0
3 years ago
Hellppp 70 pointsss
dimulka [17.4K]

y=a.(X-x1)(X-x2)

x1 and x2 are x-intercepts

x1=-3

x2=1

other points: (-1,8) and (0,5)

y=a.(x+3).(x-1)

a=-2

f(x)= -2.(x+3)(x-1)

7 0
2 years ago
A block of wood has a mass of 6.0 g and a volume of 12.0 cm^3 . What is the density of the block of wood?
Firlakuza [10]

Answer:

Answer: Density = 0.5 g/cm³

Explanation: Density is the ratio of mass per unit volume or D = m/V

D = m/V

= 6 g / 12 cm³

= 0.5 g / cm³

4 0
2 years ago
Which table of values could be generated by the question -10x+5y=15
Contact [7]

-10x + 5y = 15


Divide everything by 5.


-10x/5 + 5y/5 = 15/5

-2x + y = 3


So, we can imagine some values to this equality


If x = -1 and y = 1 we have

-2.(-1) + 1 = 3

2 + 1 = 3

3 = 3


Another way we can say:


-10x + 5y = 15

5y = 10x + 15


Divide everything by 5.

y = 2x + 3

So just imagine values to x, let's make 0, 1 and 2.


y = 2.0 + 3

y = 0 + 3

y = 3


y = 2.1 + 3

y = 2 + 3

y = 5


y = 2.2 + 3

y = 4 + 3

y = 7


So, when x = 0, y = 3.

When x = 1, y = 5.

When x = 2, y = 7.

5 0
3 years ago
What is the area of this kite?<br> 8 m<br> 12 m<br> 12 m<br> 30 m<br> 38 m
makkiz [27]
What kite? Where’s the image
3 0
2 years ago
Read 2 more answers
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