Each person who enters a store receives a $5 off coupon. in the equation y = 5x, y is the total value of the coupons given out by the store, and x is the number of people receiving the coupons.

wen says the function is continuous, because the number of people is unlimited. is wen right or wrong? explain.

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

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Answer! if you don’t mind, can you explain