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4 years ago

Help please if your kind enough, who one should I choose ?

Mathematics

2 answers:

nalin [4]4 years ago

8 0

Answer:

No my previous one was wrong. it is not a function because each input does not have a unique output!

Step-by-step explanation:

Functions always have one unique output for an input

makvit [3.9K]4 years ago

8 0

Answer: No, this is not a function because an input has more than one output.

3 only equals 20

4 equals 25

5 only equals 30

4 equals 35

6 only equals 40

This is not a function because 4 equals both 25 and 35.

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30 = -5(6b+6) Please help

Serga [27]

Answer:

$\huge\underline{\red{A}\blue{n}\pink{s}\purple{w}\orange{e}\green{r} -}$

$30 = - 5(6b + 6)$

let's simplify the parenthesis first ~

$30 = - 30b - 30$

now , bring the like terms at one side of the equation !

$- 30b = 30 + 30$

$- 30b = 60$

dividing both sides of the equation by 30 ,

$\\ \frac{ - \cancel{30}b}{\cancel{30}} = \cancel\frac{60}{30} \\$

$\dashrightarrow \: - b = 2 \\ \\ \dashrightarrow \: b = - 2$

hope helpful :)

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Step-by-step explanation:

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