Answer :

To find the value of a function in a given point we have to plug the value in the function and make the operations.

In this case we have the function

[tex]f(x)=2x+7[/tex]

Then:

[tex]f(3)=2(3)+7=6+7=13[/tex]

and

[tex]f(-6)=2(-6)+7=-12+7=-5[/tex]

Therefore, f(3)=13 and f(-6)=-5.

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