Find a third-degree polynomial equation with integer coefficients that has the roots -2 and i.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

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

Can someone me do math because i am having a breakdown rn because i don’t get it