If f(x) = x² -5x +7, find f (3) and f'
(7/2)
from definition. Hence,
show that f(3) = 2f'(3)
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Answer:
wrong
Step-by-step explanation:
f(3)=9-15+7
=1
f'(x)=2x-5
f'(7/2)=7-5
=2
f'(3)=6-5
=1
2f'(3)=2
f(3) is not equal to 2f'(3)
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