Given the function f(x)=2x+5, f(2)=9.
True
False
Select all relations that are fu...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 17.12.2020 03:20, qwemnb7401
Given the function f(x)=2x+5, f(2)=9.
True
False
Select all relations that are functions.
{(3,2), (5,8), (2,-2)}
{(4,-2),(4,-3),(4,6)}
{(-1,2),(-2,2),(-3,2),(-4,2)}
{(-7,5),(6,-3),(5,8)}
![answer](/tpl/images/cats/otvet.png)
Answers: 3
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