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VashaNatasha [74]
3 years ago
10

Which ones are functions?

Mathematics
2 answers:
Svetllana [295]3 years ago
7 0

Answer:

13. no 14. yes 15. yes

Step-by-step explanation:

13 doesn't pass vertical line test

14 does pass vertical line test

15 none the numbers share the same for example if it was (0,12) and (-3,12) it would not be a function because they both have 12 as their y.

mezya [45]3 years ago
6 0

Answer:

14 and 15 are functions

Step-by-step explanation:

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Step-by-step explanation:

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Which expression is equivalent to ? Assume.
nikdorinn [45]

Answer:

2. -2x^{8}y^{18}  

Step-by-step explanation:  

We have been given an expression \frac{10x^{6}y^{12}}{-5x^{-2}y^{-6}} and we are asked to find equivalent expression to our given expression.

Using fraction rule \frac{a}{-b} =-\frac{a}{b} we can write our expression as: -\frac{10x^{6}y^{12}}{5x^{-2}y^{-6}}. 

Upon dividing 10 by 5 we will get,

-\frac{2x^{6}y^{12}}{x^{-2}y^{-6}}      

Upon using exponent property for quotient (\frac{a^{m}}{a^{n}} =a^{(m-n)}) we will get,  

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Therefore, our expression simplifies as -2x^{8}y^{18} and 2nd option is the correct choice.



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