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hichkok12 [17]
2 years ago
10

What is the range of the function for the domain?

Mathematics
1 answer:
Verdich [7]2 years ago
4 0

The domain are the x values.

The problem is saying the x value is all numbers between 4 and 8

Replace x in the equation with 4 and 8 and solve to find the range for the y values:

y =4(4) -1 = 16-1 = 15

y = 4(8) - 1 = 32-1 = 31

So Y would be between 15 and 31.

The first answer is the correct one.

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Solve for u. u+1/4=-4/5
DedPeter [7]

Answer:

u = (-21)/20

Step-by-step explanation:

Solve for u:

u + 1/4 = (-4)/5

Put each term in u + 1/4 over the common denominator 4: u + 1/4 = (4 u)/4 + 1/4:

(4 u)/4 + 1/4 = -4/5

(4 u)/4 + 1/4 = (4 u + 1)/4:

1/4 (4 u + 1) = -4/5

Multiply both sides of (4 u + 1)/4 = (-4)/5 by 4:

(4 (4 u + 1))/4 = (-4)/5×4

4×(-4)/5 = (4 (-4))/5:

(4 (4 u + 1))/4 = (-4×4)/5

(4 (4 u + 1))/4 = 4/4×(4 u + 1) = 4 u + 1:

4 u + 1 = (-4×4)/5

4 (-4) = -16:

4 u + 1 = (-16)/5

Subtract 1 from both sides:

4 u + (1 - 1) = (-16)/5 - 1

1 - 1 = 0:

4 u = (-16)/5 - 1

Put (-16)/5 - 1 over the common denominator 5. (-16)/5 - 1 = (-16)/5 - 5/5:

4 u = (-16)/5 - 5/5

-16/5 - 5/5 = (-16 - 5)/5:

4 u = (-16 - 5)/5

-16 - 5 = -21:

4 u = (-21)/5

Divide both sides by 4:

u = ((-21)/4)/5

5×4 = 20:

Answer:  u = (-21)/20

3 0
3 years ago
Mr. Jones feeds his big cat 1/3 of a can of cat food and he feeds his small cat half
sasho [114]

Answer:

1/2

Step-by-step explanation:

1/3 + 1/6 = 1/2

5 0
3 years ago
Find the interval(s) on which the function is increasing.
Tatiana [17]

Answer:

II (THE Second one )

Step-by-step explanation:

Because when you substitute X by (-2)

you will get :

y=(-2)^2 - 6(-2) - 16 = Zero

So, -2 is not including in the interval .

4 0
3 years ago
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Beth wants to buy a shirt that costs $40. She has a 20% discount. The sales tax is 8%.
Aleks04 [339]

Answer:

$34.56

Step-by-step explanation:

She will save 8 dollars from the discount.

The tax will be $0.56.

The final price of the shirt will be $34.56

6 0
3 years ago
Read 2 more answers
True or False Atomic theory has changed over time
jolli1 [7]

Answer:

True

Step-by-step explanation:

As modern science has advanced we're able to learn more about what makes up matter. Hope this helps :)

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2 years ago
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