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Drupady [299]
4 years ago
12

Which rule describes the transformation that is a reflection across the x-acis

Mathematics
1 answer:
Alla [95]4 years ago
7 0

Answer:

When you reflect a point across the line y = x, the x-coordinate and y-coordinate change places. If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed). the line y = x is the point (y, x). the line y = -x is the point (-y, -x).

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Zepler [3.9K]
The answer is A.

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6 0
3 years ago
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A survey reveals that the sales of smartphones is increasing considerably. The average annual sales of smartphones, in million u
EleoNora [17]

Answer:

when the survey was initially conducted the average sales of smartphones was 1.7 million units

Step-by-step explanation:

The average annual sales of smartphones is given by function

P(n)= 1.7 (b)^n

Exponential growth function is given by

f(x)= ab^x

Where a= initial value

b = growth factor , b= 1+r where 'r' is the growth rate

x is the time period

Now we compare f(x) with P(n)

the value of a= 1.7 that is the initial value.

So we can say, when the survey was initially conducted the average sales of smartphones was 1.7 million units

8 0
3 years ago
What is the slope of the function?
Zolol [24]
The slope of the function is 2!
3 0
3 years ago
/////////////////////////////////////////
fenix001 [56]
Since we know the slope is 3 we have part of the equation already (y=3x+b). Now we need to find the y-intercept. To do that we plug in the point that was given to us in the question and solve for b.

0=3(-5)+b
0=-15+b
15=b

Now that we have the y intercept we can put the equation together.

Answer: y=3x+15

Hope this helps :)
3 0
3 years ago
There are 3 cats and 5 were at the park
KiRa [710]

Answer:

that would be 8 total

Step-by-step explanation:

mark me brainlyest

mynameischerokee

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