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saul85 [17]
3 years ago
14

3) The graph of the equation y = x2 + 1 is shown. Which equation will shift the graph up 7 units? A) y = x2 + 7 B) y = x2 - 8 C)

y = x2 + 8 D) y = (x+7)2
Mathematics
2 answers:
Elina [12.6K]3 years ago
6 0
Your answer is C. (1+7=8)
Anna71 [15]3 years ago
3 0

Answer:

C) y=x^2+8

Step-by-step explanation:

the function

y=x^2+1

Is a parabola that crosses the y-axis at +1.

So in a function of the form:  y=x^2+a, the number a indicates the point at which the graph of the function crosses the y-axis.

So, to find a function that is 7 units above, we need to add 7 to the number a.

In this case a = + 1

so adding 7:

+ 1 + 7 = + 8

So the resulting function, which is 7 units above is:

y=x^2+8

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A boy's age is three times the age of his sister. Their ages together total 16 years.
jok3333 [9.3K]

Answer:

Sister's age: 4

Brother's age: 12

8 0
2 years ago
100 points and brainliest! geometry<br><br> please explain :)<br><br> thanks for reading this :)
scoundrel [369]

Hellooooo!! Marie Here!!!

The answer is here:

The value of "x" is 9

<h3>Hope This Helps!!! Have A GREAAATTTT Day!!</h3>
7 0
3 years ago
(pls also provide an explanation for how i do this)
Marizza181 [45]

Answer:

slope = \frac{3}{4}

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (5, 3 ) and (x₂, y₂ ) = (9, 6 )

m = \frac{6-3}{9-5} = \frac{3}{4}

6 0
2 years ago
PLEASEEEE HELP MEEE
kobusy [5.1K]
The 1st , 3rd , 5th and 6th apply
6 0
2 years ago
All i need to know is if its a function or not (I will give branliest for a good explanation)
tankabanditka [31]

Answer:

It's fine. It is a function. The language can be very convoluted. Put simply a domain value cannot have 2 different range values.

Step-by-step explanation:

The confusing part I think, is probably the fact that -1 and 1 both have an answer of 5.

That's fine. Parabolas do that and they are functions. Two different xs can have the same value. The thing that eliminates functions is when the x value (the domain) has two different y values (the range values). Then you don't have a function.

To try and make it clearer if 1 pointed at both 3 and 5 you would not have a function.

8 0
3 years ago
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