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statuscvo [17]
4 years ago
9

30 Points! Please help! Is this a function? (-8,-16), (-2,-8), (-2,0), (6,4), (8,12)

Mathematics
1 answer:
levacccp [35]4 years ago
4 0
No this is not a function because it is not one to one! Each x value needs to have only one output! The -2 values have two different outputs thus making it not a function.
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The graph below shows the height of a kicked soccer ball f(x), in feet, depending on the distance from the kicker x, in feet: Pa
Advocard [28]

the complete question in the attached figure

part A

the x intercept 0 is the point where the ball was hit, the x intercept 20 is the point where the ball fell back to the ground, 20 feet away from the kicker.

<span>the function is increasing in the interval x∈(0, 10) and decreasing in x∈(10, 20) </span>
this means that the height is increasing in the interval  (0, 10) and decreasing as x goes through the interval (10,20)
the distance from the kicker is increasing during the whole interval (0, 20)

part B

the rate of change represents the slope of the secant line from A to B. It approximates the rate at which f(x) decreases or increases in the interval 

x =[A, B]

from x = 22 to x = 26-------------- > the function does not exist


5 0
3 years ago
7TH GRADE MATH- Please solve the one with the star- question 18. Thank you!
Bogdan [553]

Answer:

27.5 pages per hour.

Step-by-step explanation:

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In 60 minutes he read:

\frac{60}{12} × 5.5 = 27.5 pages

5 0
3 years ago
Samuel can type nearly 40 words per minute. Use this information to find the number of hours it would take him to type 2.9 × 105
AleksAgata [21]

Answer:

Samuel can type 40 words per minute

Step-by-step explanation:.

Then how many hours will it take for him to type 2.6 words times 10 to the power of five words

=> 2.6 words time 10 to the power of 5

=> 2.6 x 10^5

=> 2.6 x 100 000

=> 260 000 words in all.

Now, we need to find the number of words Samuel can type in a hour

=> 40 words / minutes , in 1 hour there are 60 minutes

=> 40 x 60

=> 2 400 words /hour

Now, let’s divide the total of words he need to type to the number of words he can type in an hour

=> 260 000 / 2 400

=> 108.33 hours.

4 0
3 years ago
[PICTURE ATTACHED] whats the answerrr! &gt;w
Allushta [10]
The top left she should have added before multiplying
5 0
3 years ago
Read 2 more answers
28:solve: PLEASE HELP -0.25x+1.75x&lt;-1.75+2.5x. (round your answer to the nearest hundredth)
Lena [83]

Answer:

Step-by-step explanation:

-0.25x+1.75x<-1.75+2.5 x

sift terms containing x to right and constant term to left

1.75<2.5 x+0.25x-1.75 x

1.75<2.75x-1.75x

1.75<1.00 x

or 1.75 <x

or x>1.75

7 0
3 years ago
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