(x) 20 - 27z +84x 11 is

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Use the derivative function f'(x) to determine where the function f(x) = 2x - 27a² + 84x 11 is
decreasing.
%3D
Preview
TIP
Enter your answer using inequality notation. Example: 3 <x<4
Use or to combine intervals. Example: x<2 or x>3
Enter all real numbers for solutions of that type
Enter cach value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3,
5+4)
Enter DNE for an empty set. Use oo to enter Infinity.
Get Help:
Transcribed Image Text:Use the derivative function f'(x) to determine where the function f(x) = 2x - 27a² + 84x 11 is decreasing. %3D Preview TIP Enter your answer using inequality notation. Example: 3 <x<4 Use or to combine intervals. Example: x<2 or x>3 Enter all real numbers for solutions of that type Enter cach value as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4) Enter DNE for an empty set. Use oo to enter Infinity. Get Help:
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