1. Decide if f(x) = .65x+7x^4 -21 is a polynomial function. If so, write in standard form and state its degree, type and leading coefficient. 2. Evaluate g(x)= -x^3+3x^2+9 when x=4

3. Described end behavior of graph of f(x)= 4x^3-2x^4-5x^2-20

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?