Quiz 8-2 trigonometry unit 8
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Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Which point is a solution to the inequality shown in this graph (-3,-1) (3,-1)

Astudy of 80 english composition professors showed that they spent, on average, 14.6 minutes correcting a student's term paper. construct and interpret a 90% confidence interval of the mean time for all composition papers. assume that the population standard deviation is 2.9 minutes. round to 1 decimal.