Let \(f: R \rightarrow R\) be defined as\[f(x)= \begin{cases}-55 x, & \text { if } x<-5 \.... VIDEO
Let \(f: R \rightarrow R\) be defined as\[f(x)= \begin{cases}-55 x, & \text { if } x<-5 \\ 2 x^3-3 x^2-120 x, & \text { if }-5 \leq x \leq 4 \\ 2 x^3-3 x^2-36 x-336, & \text { if } x>4,\end{cases}\]
Let \(A=\{x \in R: f:\) is increasing \(\}\). Then \(\mathrm{A}\) is equal to: š²PW App Link - https://bit.ly/YTAI_PWAP šPW Website - https://www.pw.live
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