Question

Given the function f(x)=x^(3)-x^(2)+x-1 what is f(5)-f(-9) evaluated

Answer 1

924

Explanation:

f(x) = x³ - x² + x - 1

f(5) = 5³ - 5² + 5 - 1 = 125 - 25 + 5 - 1 = 104

f(-9) = -9³ - (-9)² + (-9) -1 = -729 - 81 - 9 - 1 = -820

f(5) - f(-9) = 104 - -820 = 924