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Let $f(x)=a-(x-3)^{8 / 9}$, then greatest value of f(x) is |
3 a no maximum value none of these |
a |
We have, $f(x)=a-(x-3)^{8 / 9}$ Clearly, $(x-3)^{8 / 9}>0$ for all $x \in R$ $\Rightarrow f(x) \leq a$ for all $x \in R$. Hence, the greatest value of f(x) is a. |
