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What is the answer? Please say A, B, C or D

Posted: Thu Jul 14, 2022 4:43 pm
by answerhappygod
What is the answer? Please say A, B, C or D
What Is The Answer Please Say A B C Or D 1
What Is The Answer Please Say A B C Or D 1 (13.38 KiB) Viewed 37 times
9) Determine the values of x for which f(x)=2x3+9x2+12x+6 is increasing. a) 0−2≤x≤−1 b) x<−2 or x>−1 c) x≥−1 d) All real numbers