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3 years ago

Determine the points for the graph of the relation y = -5x -3 using the x-values given in the table

Mathematics

1 answer:

Marina CMI [18]3 years ago

5 0

Answer:

A. Yes. Each x value has only one y value. No x value has 2 different y values.

B. For the table, y is 8 when x is 11.

Plug in the value to determine the y value for the equation.

f(x)= 5(11)-21

f(x)= 55-21

f(x)= 34

Since 34>8, the value of the equation f(x) is greater when x=11.

C. 99=5x-21

120=5x

x=24

Final answer: 24

Step-by-step explanation:

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Alx+b) = 4x + 10

Leokris [45]

Answer:

a=4, b=5/2

Step-by-step explanation:

Assuming the given equation is

$a(x + b) = 4x + 10$

We expand the left hand side to get:

$ax + ab = 4x + 10$

If this equation must have infinitely many solutions, then

$ax = 4x \\ \implies \: a = 4$

Also we must have

$ab = 10$

Put a=4 to get:

$4b = 10$

$b = \frac{10}{4} = \frac{5}{2}$

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mafiozo [28]

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2 years ago

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18.0 1
- 0.4 17.0
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3 years ago

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Solve the linear equation by combining like terms: 23 + 7 - 2x = 8x

Aleks [24]

Answer:

23+7-2x=8x

We simplify the equation to the form, which is simple to understand

23+7-2x=8x

We move all terms containing x to the left and all other terms to the right.

-2x-8x=-23-7

We simplify left and right side of the equation.

-10x=-30

We divide both sides of the equation by -10 to get x.

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Step-by-step explanation:

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2 years ago

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The profit for a car company can be represented by the function P=−0.5 x² +4 x+ 12,

luda_lava [24]

Answer:

3x+12

Step-by-step explanation:

-0.5x*2+4x+12

Multiply 0.5x*2=x

= -x+4x+12

Add similar elements -x+4x+12

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3 years ago