A(t)=(t−k)(t−3)(t−6)(t+3) is a polynomial function of t, where k is a constant. given that a(2)=0 , what is the absolute value of the product of the zeros of a?

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label