Which statement describes the first step to solve the equation by completing the square? 3x^2+18x=21 multiply both sides of the equation by 1/3 . add 9 to each side of the equation. multiply both sides of the equation by 1/9 . add 81 to each side of the equation.

Given f(t) = 282 - 53 +1, determine the function value f(2). do not include f(z) = in your answer

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3

Which of the functions graphed below has a removable discontinuity?