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1. Answer the following question? Let f '(x) = (x – 3) (x +4)(x² + 1). What are the critical number(s)? В. If f '(x) > 0 for all x, then fx,) x2 b. f(x,) =(x2) for every x, f(xz) for every x, >x, d. f(x,) >f(x,) for every x,

1. Answer the following question? Let f '(x) = (x – 3) (x +4)(x² + 1). What are the critical number(s)? В. If f '(x) > 0 for all x, then fx,) x2 b. f(x,) =(x2) for every x, f(xz) for every x, >x, d. f(x,) >f(x,) for every x,

Advanced Engineering Mathematics
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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1. Answer the following question? Let f '(x) = (x – 3) (x +4)(x² + 1). What are the critical number(s)? А. В. If f '(x) > 0 for all x, then a. f(x,) <fx,) for every x, > x, b. f(x,) =f(x2) for every x, <x2 c. f(x,) >{x,) for every x, >x, d. f(x,) >f(x,) for every x, <x, С. Letf '(x) = 2x³ + 3xr² – 12x + 4. Determine the concavity of fAx) on the interval 1 <x<2. Unknown c. Neither concave up or concave down d. Concave down a. b. Concave up
Transcribed Image Text:1. Answer the following question? Let f '(x) = (x – 3) (x +4)(x² + 1). What are the critical number(s)? А. В. If f '(x) > 0 for all x, then a. f(x,) <fx,) for every x, > x, b. f(x,) =f(x2) for every x, <x2 c. f(x,) >{x,) for every x, >x, d. f(x,) >f(x,) for every x, <x, С. Letf '(x) = 2x³ + 3xr² – 12x + 4. Determine the concavity of fAx) on the interval 1 <x<2. Unknown c. Neither concave up or concave down d. Concave down a. b. Concave up
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