monabusher monabusher

24-04-2020
Mathematics

contestada

Can you help me find the absolute min and max?
y=-2x² + 12x – 20; [2, 4]

Respuesta :

DianaWordsworth DianaWordsworth

24-04-2020

Answer:

x = -3

Step-by-step explanation:

There can be only one possibility:

either maxima or minima

1. differentiate the equation

2. slope = 4x + 12

3. at absolute maxima or minima slope of graph is 0

4. 0 = 4x +12

5. 4x = -12

6. x = -3

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