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Alik [6]
3 years ago
9

Is this relation a function? (-1,2) (1,17) (3,-4) (1,20)​

Mathematics
1 answer:
RSB [31]3 years ago
4 0
No. The x value 1 has two y value 17 and 20. To be a function, each x value must have only one unique y value
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F(x) = -2x + 5<br> f ( ) = 13
scZoUnD [109]

Answer:

Okay, I haven't done this a long time however I believe with this you have to solve the equation by doing substitution.

Step-by-step explanation:

so, if f (x) equals 13, you replace the x in the equation to 13.

f(x)=-2x+5

f(x)=-2(13)+5

f(x)=26+5

f(x)=31

I believe 41 would be your answer. Hope this is right and it helped!

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4 years ago
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3 years ago
A bank offers a 6% annual interest rate for a savings account. Marcus puts $8,000 into an account to save for college. How much
GREYUIT [131]
Equation:
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We can make it simpler:
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7 0
4 years ago
What’s an equivalent expression to 5(2x-1)
netineya [11]

Answer:

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