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Mathematics, 09.03.2021 20:20 1fuzzybirdow6e0s
If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (f o g)(x)?
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Talia grouped the terms and factored out the gcf of the groups of the polynomial 15x2 β 3x β 20x + 4. her work is shown below. (15x2 β 3x) + (β20x + 4) 3x(5x β 1) + 4(β5x + 1) talia noticed that she does not have a common factor. what should she do?
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Arandom sample of n = 25 observations is taken from a n(Β΅, Ο ) population. a 95% confidence interval for Β΅ was calculated to be (42.16, 57.84). the researcher feels that this interval is too wide. you want to reduce the interval to a width at most 12 units. a) for a confidence level of 95%, calculate the smallest sample size needed. b) for a sample size fixed at n = 25, calculate the largest confidence level 100(1 β Ξ±)% needed.
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If f(x) = 3x + 2 and g(x) = x2 + 1, which expression is equivalent to (f o g)(x)?...
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