# Use calculus to find the absolute maximum and minimum values of the function. f(x) = 2x − 4 cos(x), −2 ≤ x ≤ 0?

Use calculus to find the absolute maximum and minimum values of the function.
f(x) = 2x − 4 cos(x), −2 ≤ x ≤ 0
(a) Use a graph to find the absolute maximum and minimum values of the function to two decimal places.
(b) Use calculus to find the exact maximum and minimum values.
I need help I just can not figure...
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Use calculus to find the absolute maximum and minimum values of the function.

f(x) = 2x − 4 cos(x), −2 ≤ x ≤ 0

(a) Use a graph to find the absolute maximum and minimum values of the function to two decimal places.

(b) Use calculus to find the exact maximum and minimum values.

I need help I just can not figure out it:(

f(x) = 2x − 4 cos(x), −2 ≤ x ≤ 0

(a) Use a graph to find the absolute maximum and minimum values of the function to two decimal places.

(b) Use calculus to find the exact maximum and minimum values.

I need help I just can not figure out it:(

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