Refer to the following functions: p(x)= x² + 2x - 15 x+1 q(x) = x-3 r(x) = √7-x Which of the following statement/s is/are true? i. The composite function roq results to r(g(x)) = O ionly O ii only iii only O i, ii, and iii 6x-22 x-3 and is defined for all x>3. ii. The resulting function of the product of p and q is x² +6x+5 and it is defined for any real number x iii. The difference quotient? p(−2+h)−p(−2) = h− 2 is defined for any real number h except 0.

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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Refer to the following functions:
p(x)= x² + 2x - 15
q(x)=
=
x+1
X-3
r(x) = √7-x
Which of the following statement/s is/are true?
i. The composite function roq results to r(g(x)) =¸
6x-22
X-3
and is defined for all x > 3.
ii. The resulting function of the product of p and q is x² + 6x +5 and it is defined for any real number x
iii. The difference quotient P(-2+h)-p(-2) = h 2 is defined for any real number h except 0.
h
i only
ii only
iii only
i, ii, and iii
Transcribed Image Text:Refer to the following functions: p(x)= x² + 2x - 15 q(x)= = x+1 X-3 r(x) = √7-x Which of the following statement/s is/are true? i. The composite function roq results to r(g(x)) =¸ 6x-22 X-3 and is defined for all x > 3. ii. The resulting function of the product of p and q is x² + 6x +5 and it is defined for any real number x iii. The difference quotient P(-2+h)-p(-2) = h 2 is defined for any real number h except 0. h i only ii only iii only i, ii, and iii
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