Given: S10.re", f(r) = 2r+3r2- 12r, r20 I<0 a. Find all the eritical numbers of f. b. Find the extreme values of f on [-2, 2]. [Hint: e2.71]

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A: (1-α)100% = 95%  α= 0.05 Zα/2  = 1.96 (Use Excel function =NORMSINV(0.05/2) )

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A: Mean = 2.2 Standard deviation = 0.9

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A: Explanation: In the case of similar triangles, corresponding angles are the same. Here  ∠A=∠D

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A: normal distribution μ = 70σ = 5 EMPIRICAL RULE : approximately 68-95-99.7% data fall within 1σ-2σ-3σ…