√1-x/x²+1
If x⁴ate higher powers of x a can be neglected.

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

How many days was the temperature above 90 degrees?

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?