Question

If f(x) = x3+x2 +x+1 then find f(1) and f (-1).​

Answer 1

Answer:

4

Step-by-step explanation:

f(1) = (1)^3 + (1)^2 + (1) + 1

f(1) = 4

f(-1) = (-1)^3 + (-1)^2 + (-1) + 1

f(-1) = -1 + 1 -1 + 1

f(-1) = 0

So f(1) + f(-1) = 4

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