Answer:
The evaluation is \(f(-2)=-4\)
Step-by-step explanation:
We were given an explicit function of x, wich has the form
\(f(x)=x^2+4x\)
The problem ask to evaluate f(-2), this means to put the value x=-2 into the function, so
\(f(-2)=(-2)^2+4(-2)=4-8=-4\)
Therefore, the answer is
\(f(-2)=-4\)
