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nadya68 [22]
3 years ago
8

I’m so confused. can someone please help

Mathematics
1 answer:
lilavasa [31]3 years ago
3 0

Answer:

k = - 6

Step-by-step explanation:

Given a function f(x), then a horizontal translation parallel to the x- axis is denoted by

f(x + k)

If k > 0 then shift of k units left

If k < 0 then shift of k units right

Here the shift is 6 units to the left, from 4 to - 2, hence

k =  6

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Sedbober [7]

Answer:

Step-by-step explanation:

It would be answer b, because if you were to solve this, then this is how you would do it (in the most effecient way):

2.5x + 1.2 = 1.2x + 4.2

2.5x + 1.2 - 1.2 = 1.2x + 4.2 - 1.2

2.5x = 1.2x + 3

2.5x - 1.2x = 1.2x - 1.2x + 3

1.3x = 3

1.3x/1.3 = 3/1.3

x = 3/1.3

3 0
3 years ago
A rectangle is 10 cm longer than it is wide. If its length and width are both decreased by 2 cm, its area
Grace [21]

Answer:

Step-by-step explanation:

Yeah it right thank sweetheart

8 0
3 years ago
Which of the following is a polynomial?<br> A. 15X4<br> B. 4X2 +9x+12<br> C. 3- 2x<br> D. 6x2 +2/X
Scilla [17]

Answer:

C

Step-by-step explanation:

I answered the question already

7 0
3 years ago
Which graph represents the equation x2 8y
LekaFEV [45]

Therefore by making a line through following points we can make graph which is parabola in shape

<h3>What is equation ?</h3>

Two things are equal, according to an equation. Like this: 9 + 2 = 11 . It will have an equivalent sign "=". According to that equation, "this equals that" is expressed as "what is on the left (9 + 2) is equal to what is on the right (11).

Here,

Given Equation : x² = 8y

Given Equation agrees with conventional equation of parabola on positive y-axis

x² = 4ay

Comparison of the two equations yields,

4a = 8 ⇒ a = 2

Focus of parabola = ( 0 , 2 ) ( 0 , 2 )

Parabola vertex equals ( 0 , 0 )

Axis of Symmetry = y-axis

To sketch its, we find some points

with x = 4 or -4 we get

4² = 8y ⇒ 16 = 8y ⇒ y = 2

So, points are ( 4 , 2 ) and ( -4 , 2 ) ( -4 , 2 )

we obtain when x = 8 or -8.

(-8)² = 8y ⇒ 64 = 8y ⇒ y = 8

So, points are ( 8 , 8 ) and ( -8 , 8 ) ( -8 , 8 )

Therefore by making a line through following points we can make graph which is parabola in shape

To know more about equation , visit

brainly.com/question/10413253

#SPJ4

The correct question is :-

Which graph represents the equation x2 = 8y?

3 0
1 year ago
Please help<br><br> I need help creating a table of value for this equation
Fed [463]

Answer:

Create the table and choose a set of x values. Substitute each x value (left side column) into the equation. Evaluate the equation (middle column) to arrive at the y value. An Optional step, if you want, you can omit the middle column from your table, since the table of values is really just the x and y pairs.

Step-by-step explanation:

Specify a name for the function.

Specify a name and data type for each input parameter.

Specify the routine attributes.

Specify the RETURNS TABLE keyword.

Specify the BEGIN ATOMIC keyword to introduce the function-body.

Specify the function body.

7 0
2 years ago
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