FINDING CRITICAL NUMBERS OF A FUNCTION PROBLEMS AND SOLUTIONS

Find critical numbers of each of the following functions.

Problem 1 :

f(x) = 2x -3x²

Solution :

Problem 2 :

f(x) = x³ - 3x + 1

Solution :

Problem 3 :

Solution :

Problem 4 :

Solution :

Problem 5 :

Solution :

Problem 6 :

f(x) = x + sin x

in [0, 2π]

Solution :

Problem 7 :

f(x) = sin²(2x)

in [0, π]

Solution :

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