1. Determine whether the following relation represents a function. If the relation is a function then state domain and range?
{(4,6),(-2,6),(7,8),(4,13)}
Does the given relation represent a function?
2.Determine whether the following relation represents a function. If the relation is a function then state domain and range?
{(-1,-6),(2,-6),(3,-6),(4,-6)}
Does the given relation represents a function?
3.Find the domain of the function. Make sure answer is in interval notation.
g(x)=7x/x^2-4
4.Find the domain of the function. Make sure answer is in interval notation.
f(x)=5x square root of x-2
5. For the given function f and g find the folowing and state the domain of each result
f(x)=2x+1;g(x)=7x-1
a) (f-g)(x)=_____
6. For the given function f and g find the specified value of the following functions and state the domain of each one.
f(x)=x=10;g(x)=9x^2
a) (f+g)(1)=_____