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ivanzaharov [21]
3 years ago
7

Which function represents transforming ƒ(x) = 3x with a reflection over the x-axis and a vertical shift of 4 units?

Mathematics
1 answer:
Oxana [17]3 years ago
4 0

Answer:

D. h(x)=-3x+4

Step-by-step explanation:

we are given

f(x)=3x

Firstly, it is reflected over x-axis

we know that for reflection about x-axis , we can replace y as -y

we get

g(x)=-f(x)

g(x)=-3x

now, it is vertical shift up by 4 units

so, we can add 4 to y-value

we get

h(x)=g(x)+4

h(x)=-3x+4

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I NEED HELP PLEASE
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Answer:

y=x+8 because your friend's allowance is y but also $8 more than yours, x. x+8 is her allowance so x+8=y

3 0
3 years ago
Last week, Jason ran 26.1. He wants to run further this week. He plans to run 2.4 miles to the park, four times around the park,
charle [14.2K]

Step-by-step explanation:

>

Since he wanted to run farther this week so the last week 26.1 which is the distance he ran is less than the distance of this week

Hope this helps...

5 0
3 years ago
Read 2 more answers
Building A is 255 meters taller than building B. If the height of building A is subtracted from twice the height of building B,
garri49 [273]

Answer:

A = 744 meters    B = 489 meters

Step-by-step explanation:

A = B + 255

2B - A = 234

-2B          -2B         Subract the -2B from both sides

-A = -2B + 234

A = 2B - 234          Divide by -1 to get A alone

B + 255 =  2B - 234   Set both equations equal to each other

- B              -B

255 = B - 234

+234      +234

489 = B

Plug 234 in for B in the original equations

A = 489 + 255

A = 744

8 0
3 years ago
You sell tickets for admission to your school play and collect a total of $104. Admission prices are $6 for adults and $4 for st
riadik2000 [5.3K]

Answer:

11 tickets

Step-by-step explanation:

1. write an equation:

First,  variable x symbolizes the number of adults who bought tickets. And variable y symbolizes the number of students.

If each adult paid $6, and each student paid $4, and the total dollars you've collected is 104, this is how we'll write our equation:

6x + 4y = 104

2. we can write another equation based on this information: "You sold 21 tickets". Which concludes that the number of tickets adults and students had paid for equals the number of tickets you've sold:

x + y = 21

3. now, we've got two equations. Let's compensate:

x + y = 21

x = 21 - y

6x + 4y = 104

6 (21 - y) + 4y = 104

126 - 6y + 4y = 104

-6y + 4y = -22

-2y = -22

y = -22 / -2

<u>y = 11</u>

So the number of student tickets is <u>11</u>.

3 0
3 years ago
3\4÷3= answer ????? help me
belka [17]

Before you start the job, gather up your tools.

You need three tools for this job.  Let's make sure
you remember how to use them:

#1).    3  is the same thing as 3/1

#2).    When you need to divide fractions, turn the
second one upside down, and then multiply them. 

#3).    When you're multiplying fractions, multiply the numerators
to get the numerator of the answer, and multiply the denominators
to get the denominator of the answer.

Those are the tools you need to solve this problem.


1).  3/4 divided by 3 is the same as 3/4 divided by 3/1 .

2).   To divide by 3/1, multiply by  1/3 .

       Now you have    3/4 times 1/3 .

3).  That's the same as  (3 x 1) / (4 x 3)  =  3/12  =<em>  1/4</em>


4 0
3 years ago
Read 2 more answers
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