N Evaluate the following polynomials 1. f(x) = x3 + x2 - 3 +5 at x=2 2. f(x) = x3 – x2 – 2x +1 at x=-1 3. f(x) = 2x3 + x2 – 2x – 3 at x=1 4. f(x) = x4 – 4x2 + 5x – 10 at x=1 5. f(x) = x3 + 7x2 - 5x - 3 at x=5​