47. A new toy store is opening next week, and the owner is deciding how to price one of the toys. The equation
S=-32p^2 + 960p predicts the total sales S as a
function of the toy's price p, where S and p are in
dollars. What price will produce the highest total sales?

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?