Consider the function f(x)= - 2x³ +36x²162x + 3. For this function there are three important open intervals: (-∞, A), (A, B), and (B, ∞o) where A and B are the critical numbers. Find A and B = For each of the following open intervals, determine whether f(x) is increasing or decreasing. (-∞, A): [Select an answer (A, B): [Select an answer (B, ∞): [Select an answer Using the First Derivative Test, we can conclude: at x = A, f(x) has a [Select an answer at x = B, f(x) has a Question Help: Submit Question Select an answer Select an answer Vid local maximum local minimum neither a max nor a min
Consider the function f(x)= - 2x³ +36x²162x + 3. For this function there are three important open intervals: (-∞, A), (A, B), and (B, ∞o) where A and B are the critical numbers. Find A and B = For each of the following open intervals, determine whether f(x) is increasing or decreasing. (-∞, A): [Select an answer (A, B): [Select an answer (B, ∞): [Select an answer Using the First Derivative Test, we can conclude: at x = A, f(x) has a [Select an answer at x = B, f(x) has a Question Help: Submit Question Select an answer Select an answer Vid local maximum local minimum neither a max nor a min
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Step 1
The critical numbers of the function: is calculated by solving the equation: for x.
For any function: , the sign of its first derivative: changes from negative to positive at the local minimum. For any function: , the sign of its first derivative: changes from positive to negative at the local maximum.
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