Respuesta :

As given by the question

There are given that the function

[tex]f(x)=3x+7[/tex]

Now,

for find, the value of f(-2), put x=-2 into the given function

So,

[tex]\begin{gathered} f(x)=3x+7 \\ f(-2)=3(-2)+7 \\ f(-2)=-6+7 \\ f(-2)=1 \end{gathered}[/tex]

Hence, the value of f(-2) is 1.

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