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Question 10.5

Solutions

TZ
leumasicOfficial

3 months ago

i)

f(x)=1x2,f(f(x))=x2f'(x)=\frac{-1}{x^2},\qquad f(f'(x))=-x^2

ii)

f(x)=2x,f(f(x))=(2x)2=4x2f'(x)=2x,\qquad f(f'(x))=(2x)^2=4x^2

iii)

f(x)=0,f(f(x))=17f'(x)=0,\qquad f(f'(x))=17

iv)

f(x)=17,f(f(x))=172f'(x)=17,\qquad f(f'(x))=17^2
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Q 10.5

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Q 10.5