How many ten and one are there i’m 90

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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