Question

See the picture below! ••no links or fake answers••I genuinely need help!

Answer 1

As given by the question

There are given that the function

$f(x)=3x+7$

Now,

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

So,

$\begin{gathered} f(x)=3x+7 \\ f(-2)=3(-2)+7 \\ f(-2)=-6+7 \\ f(-2)=1 \end{gathered}$

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