2. Given f(x) = - x2 – 15x, find i) the critical numbers, ii) interval(s) of...

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Answer #1

f() = (2-2 153 1) for Critical points f(a) to f(a)= 32 22-15 20 as X .x 22-1520 (2-5)(2+3)=0 & x=5 and x2-3 f(also ܙ 2) roo

Answer 2

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