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babunello [35]
2 years ago
10

3x4.-4 5x3 - 2x2 4x3 + 6x ? 4x4 - 2x2 – 3x

Mathematics
1 answer:
aleksandr82 [10.1K]2 years ago
3 0

Answer:

3

<u>3 \times 4. - 4 \\  12 \times  - 4 \\  - 48</u>

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3 years ago
PLEASE HELP 46 POINTS Use composition of functions to determine whether or not f(x) and g(x) are inverses of each other. Show al
IRISSAK [1]

Remark

The reason you are not getting many replies to this is an uncertainty about f(x). We do not know if you mean f(x) = 2/(x - 6) or f(x) = (2/x) - 6. We'll try it both ways.

First Way f(x) = 2/(x - 6)

f(x = y = 2/(x - 6)             Interchange x and y

x = 2 / (y - 6)                   Multiply both sides by y - 6

x(y - 6) = 2                      Divide by x

y - 6 = 2/x                       Add 6 to both sides.

y  = 2/x + 6                     Which is close to g(x) but it is not the same thing, even if you use x as a common denominator. That would give you

\dfrac{6x + 2}{x}

Second Way: f(x) = (2/x) - 6

f(x) = y = (2/x) - 6           Interchange x and y

x = (2/y) - 6                    Add 6 to both sides

x + 6 = 2/y                     Multiply  both sides by y

y(x + 6) = 2                    Divide by sides by (x + 6)

y = 2/(x + 6)  

Comment

These do not look anything alike so g(x) and f(x) are not inverses.

         

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Kiki divides 14 yard of tape into 4 equal pieces.<br><br> What is the length of each piece of tape?
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Answer:

the probability is 3/6 or 1/2

Step-by-step explanation:

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Explanation: The equation is in slope-intercept form, y=mx+b. Since it is parallel to the equation, it has the same slope (2/3x) and since b is the x intercept, b is 9.

7 0
3 years ago
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