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## Answers

The graph of such an equation is a straight line if there are two variables.

*f(x)=3x+1*

*f(2)=3(2)+1*

*=6+1*

*=f(2),7*

*=2,7*

*2,7 is a ordered pair and the answer always ordered pair.*

*this equation have unkwn and the given, the given is f(x)=3x+1 then multiply the f(2)=3(2)+1= 6 and you have remain +1 then add.*

*at last take the given no. which is f(2) or 2 and paired to the no. you add which is 7=2,7 the final answered*