if-y-3x-4-find-the-approximate-percentage-increase-in-y-when-x-increase-by-2-1-2-

Question Number 32760 by Rio Mike last updated on 01/Apr/18

if y = 3 x^{4} . f i n d t h e a p p r o x i m a t e p e r c e n t a g e

i n c r e a s e i n y w h e n x i n c r e a s e b y 2 \frac{1}{2} % .

Answered by MJS last updated on 02/Apr/18

\frac{f (x)}{f (x)} = \frac{3 {(1.025 x)}^{4}}{3 x^{4}} = 1 . 025^{4} =

= 1.10318 \dots

\approx 10 . 32 %

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