The question is asking you to find the result when you square root 256.
The symbol of a square root is √
If ² is a square symbol, √ is the one that will convert the number back to it's non-squared form.
You normally can't do this without the calculator.
In this question, √256 = 16
You do 5.5x4=22, so you can drive 22 miles for every gallon of gas.
The approximate value of the function at x=-4 according to the function is B)1.8
Answer:
B. positive
Step-by-step explanation:
