Suppose f(x) is a function that has f′(x)=4+x4x​ as its derivative. On which interval is f(x) increasing? (0,∞) (−∞,0) (

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Suppose F X Is A Function That Has F X 4 X4x As Its Derivative On Which Interval Is F X Increasing 0 0 1 (30.36 KiB) Viewed 48 times

Suppose F X Is A Function That Has F X 4 X4x As Its Derivative On Which Interval Is F X Increasing 0 0 2 (41.3 KiB) Viewed 48 times

Suppose f(x) is a function that has f′(x)=4+x4x​ as its derivative. On which interval is f(x) increasing? (0,∞) (−∞,0) (−1,1) (0,1) (−∞,∞)
Suppose f(x) is a function such that x=1 and x=4 are its only critical numbers, and f′(x)=x−3(x−1)(x−4)2​ and f(x) is defined for all values of x, except at x=3. Which statement best describes what is happening at x=1 ? f(x) has a local minimum value at x=1. f(x) has a local maximum value at x=1. This question cannot be answered without more information about f(x). f(x) has both a local maximum value and a local minimum value at x=1. f(x) has neither a local maximum value nor a local minimum value at x=1.