Study of variations completed
Open answerLet f(x) = x² - 6x + 8, defined on R. Determine f'(x), examine its sign, draw up a table of the variations of f and give the co-ordinates of its minimum. Justify each step.
Let f(x) = x² - 6x + 8, defined on R. Determine f'(x), examine its sign, draw up a table of the variations of f and give the co-ordinates of its minimum. Justify each step.