+
10)
What is the domain of the function f(x) = (x + 3)??
A)
all integers
B)
all real numbers
C)
all integers greater than zero
D)
all real numbers greater than zero
For the cubic function f(x)=x3 f ( x ) = x 3 , the domain is all real numbers because the horizontal extent of the graph is the whole real number line.
