Lori Cook has developed the following forecasting$$ model:

$=+$x$,$

where $=$ demand for Kool Air conditioners and

x$=$ the outside temperature$($degrees $$Fahrenheit$)$

Part $2$

$$a$)$ When the temperature outside is $$F$,$ demand forecast$=$

$$

enter your response here air conditioners $($enter your response as an$$ integer$).$