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Hitman42 [59]
3 years ago
14

What is the domain of this function?

Mathematics
1 answer:
ira [324]3 years ago
6 0

The domain is the input values, which would be the numbers that have the arrows pointing away from them.

This would be the 4 numbers in the oval on the left side.

The answer is B. {1,2,3,4}

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Number 8 and 9 pls, if u answer u get brainlist rank!
mylen [45]

Answer:

8.

Denote the equation : y = ax + b

Use the first 2 values of x and y in table:

3a + b = 21

5a + b = 35

Subtract the 2 equations:

=> 2a = 14 => a = 7 => b = 21 - 3 x 7 = 0

=> The solution is  y = 7x

9.

Denote the equation : y = ax + b

Use the first 2 values of x and y in table:

5a + b = 17

10a + b = 22

Subtract the 2 equations:

=> 5a = 5 => a = 1 => b = 17 - 5 x 1 = 17 - 5 = 12

=> The solution is  y = x + 12

Hope this helps!

:)

8 0
2 years ago
Find two numbers a and b such that a+b=0 and ab=36
PolarNik [594]

Answer:

b = 6i   then a = -6i

b = -6i   then a = 6i

Step-by-step explanation:

a+b=0

ab=36

a = -b

a(b) = 36

-b * b = 36

- b^2 = 36

b^2 = -36

Take the square root of each side

sqrt(b^2) = sqrt(-36)

b =± 6i

a = - (± 6i)

so b = 6i   then a = -6i

b = -6i   then a = 6i

4 0
3 years ago
Help Me please
Novay_Z [31]
Multiply her answer by -6 and see if the result is -108
4 0
2 years ago
Read 2 more answers
Help me with this please
dedylja [7]

Answer:

{2}^{ - 14}  \times  {5}^{10}

4 0
2 years ago
2 Points<br> A rational expression is undefined whenever its numerator is zero.
aev [14]
56 because you gotta multiply it
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