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Ad libitum [116K]
2 years ago
12

Does the relation {(-5, -3), (7,2), (3,8), (3, -8)} represent a function. Use the arrow digram. Then explain your answer.

Mathematics
1 answer:
Maslowich2 years ago
4 0
No it is not a function
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Given f(x) and g(x) = f(k⋅x), use the graph to determine the value of k<br>2<br>-2<br>1/2<br>-1/2
Umnica [9.8K]

Answer:

Step-by-step explanation:

Using the graph we can notice something

let's take the abscissa  -2 and -4

  • the ordinate that goes with -2 using g is 0
  • the ordinate that goes with  -4 using f is 0

so we can say that :

f(-4)=g(-2)

wait we khow that g(x)=f(k*x)

so x= -2 then let's replace it in the expression : f(k*x)

we get f(-4)=g(-2)=f[k*(-2)]

let's solve the equation: -2k = -4

                                               k = -4/-2

                                                k=2

so finally we get k=2

let's check :

from the graph we get :

  • f(-2)=2
  • g(-1)=2

we have (-1)*2 = -2

so it is true

3 0
3 years ago
Is 6/10 larger than 9/15?
alexandr1967 [171]
6/10 is larger than 9/15's, good luck on your test!
6 0
3 years ago
Taking SOL's need help!!!!
alukav5142 [94]
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3 years ago
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How do you find the square root of a number?
MariettaO [177]

Answer:

multiply a number  by a number

Step-by-step explanation:

such as 8 times 8=64

which means the square root of 64 is 8

3 times 3=9

so the square root of 9=3

Hope this  helps you

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Select the correct answer from each drop-down menu. The table lists the speeds of the fastest roller coasters in North America a
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Answer:

the answer is

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Step-by-step explanation:

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