Question

for each value of x, evaluate f(x).

x	f(x)=x^{2}+1
-2	5
-1

Explanation:

Step1: Substitute x = - 1 into the function

$f(-1)=(-1)^2 + 1$

Step2: Calculate the square

$(-1)^2=1$, so $f(-1)=1 + 1$

Step3: Calculate the sum

$f(-1)=2$

Answer:

2