carelee59861 carelee59861 04-05-2024 Mathematics Answered Find all key points using f'(x) and f''(x) and then sketch: f(x) = -2x³-3x²+12x+45 For full marks:Label axes, make sure graphs end in arrowsProvide interval charts for f'(x) and f''(x) in #2 find all critical points + points of inflection