Refer to the following functions: p(x)=x²+2x-15 x+1 q(x) -- r(x) -√7x Which of the following statement/s is or are true? i. The composite function req is defined for all x < 7. Note: rag=r[q(x)] ii. The resulting function of the product of p and g is defined for any real number x. iii. The difference quotient-2--2--2 is defined for any real number & except 0. i only ii only iii only i, ii, and iii

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Refer to the following functions:
p(x)=x²+2x-15
x+1
q(s)
r(x) -√7 x
Which of the following statement/s is or are true
i. The composite function req is defined for all x < 7. Note: rog -r[q(x)]
ii. The resulting function of the product of p and g is defined for any real number x.
iii.
The difference quotient-2--2--2 is defined for any real number & except 0.
i only
ii only
iii only
i, ii, and iii
Transcribed Image Text:Refer to the following functions: p(x)=x²+2x-15 x+1 q(s) r(x) -√7 x Which of the following statement/s is or are true i. The composite function req is defined for all x < 7. Note: rog -r[q(x)] ii. The resulting function of the product of p and g is defined for any real number x. iii. The difference quotient-2--2--2 is defined for any real number & except 0. i only ii only iii only i, ii, and iii
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