La suma de dos números es igual a 16 y su diferencia es –4. ¿cuál es el número menor? *

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?