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Mathematics 10 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

OpenStudy (anonymous):

f is the range of x. Hence for the 1st one f(1)=4 {it means that the lowest value of x that we can get is 4 And also we are told that x=4 from the statetement therefore f(4)=1/3(4)^3-2(4)+23/3 =21 hence the range f is 4\[lex \le21\]

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