Math
posted by Rachel .
How do you find the domain and range from y=3x^3+4x^25?

Math 
Reiny
the domain is the set of real numbers
Since there are no operators such as square roots and no variable denominators, and knowing the general shape of a cube, we can see that the range
must also be the set of real numbers.
Respond to this Question
Similar Questions

math
questions involving domain and range... 1. Find the domain of the function f(x)=(3x+1)/(sqrt of (x^2+x2)) andd. 2. Let f(x)= (absvalue(x))/x. Show that f(x)={ 1, x > 0 {1, x < 0 Find the domain and range of f(x). 
MAth
how do i find the domain and range of equations? 
Algebra
23. The ___ axis represents the independent variable. X? 
Math
You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies, c, that can be made with s cups of sugar. What domain and range are reasonable for the function? 
math (2nd Try)
You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies, c, that can be made with s cups of sugar. What domain and range are reasonable for the function? 
precalculus check immediately
suppoe f is a function with domain [1,3]and range[2,5]? 
Math
HELP PLEASE!!! I'm having some trouble with this question on my Maths hw. Any help is appreciated:) Identify the domain and range of the function. y=0.25x^2 1. domain: (oo, 0] range: (oo, oo) 2. domain: (oo, oo) range: (oo, 0] … 
Math
What are the domain and range of the function {(0, 2), (2, 4), (2, 8), (1, 6), (5, 0)}? 
Math
What are the domain and range of the function {(0, 2), (2, 4), (2, 8), (1, 6), (5, 0)}? 
Math (Domain and range)
Evaluate the function f(x)={9x+5, x<0 {9x+6, x>(or equal to)0 Determine its domain and range using interval notation?