Determine if the following statements are true or false. TRUE or FALSE, and you must briefly justify your answer you must clearly state a. If f (x) = 2 cos x then , f(x) = 2 f(x) for any real number a. %3D b. If r(x) is a rational function and a is any real number, then lim r(x) = r(a) X→a C. If a function h(x) is continuous, h' (x) < 0, and h"(x) > 0 for all x in (-o, o0), then h(x) must be positive for some value of x.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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I need help this is a nongraded question.
Determine if the following statements are true or false.
TRUE or FALSE, and you must briefly justify your answer!
you must clearly state
a. If f(x) = 2 cos x then f(x) = 2 - f(x) for any real number a.
b. If r(x) is a rational function and a is any real number, then lim r(x) = r(a)
x→a
If a function h(x) is continuous, h'(x) < 0, and h"(x) > 0 for all x in (-0, o0), then h(x) must be positive
С.
for some value of x.
Transcribed Image Text:Determine if the following statements are true or false. TRUE or FALSE, and you must briefly justify your answer! you must clearly state a. If f(x) = 2 cos x then f(x) = 2 - f(x) for any real number a. b. If r(x) is a rational function and a is any real number, then lim r(x) = r(a) x→a If a function h(x) is continuous, h'(x) < 0, and h"(x) > 0 for all x in (-0, o0), then h(x) must be positive С. for some value of x.
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