College algebra
posted by MEghan .
What is the domain for X³+2X²9X18

any number I plug into the expression will return some real number, so
the domain is the set of real numbers
Respond to this Question
Similar Questions

Algebra
If the sides perpendicular to the wall have length x feet, which of the following (A, B, C, or D) represents the area A of the garden? 
College Algebra
I need to find the domain of f, the excluded values of f, the domain of (fg)(x); find (f+g)(5), (fg)(x), and (fg)(x) to the problem of: Let f(x)=(7x+1)/(3x+2) and g(x)=6x+5. 
college alg
for the given functions f and g find the following and state the domain of each result f(x)=3x+1/8x9; g(x)=5x/8x9 (they look like fractions) A) (f+g)(x)=? 
college alg :(
if f(x)=lnx, g(x)=e^3x, and h(x)=x^4 find following A)(f of g)(x)and the domain of f of g B) (g of f)(x) and the domain of g of f C) (f of h)(x) and the domain of f of h 
college algebra
For the given functions f and g find the following and state the domain of each. f(x)=sqrt x; g(x)=7x3 A.what is the domain of f*g? 
college algebra
1.for the given function f&g, find the following and state the domain of each result. f(x)=2x+1/9x5; g(x) 4x/9x5 a.(f+g)(x)=? 
College Algebra
For the given functions f and g, find the following and state the domain of each result. f(x)=√x;g(x)=7x2 (a)(f*g)(x)= What is the domain of f*g? 
Algebra
Solve. (–10x3 + 30x – 20) ÷ (–5x + 5) • 2x2 – 2x + 4 • –2x2 – 2x – 4 • –2x2 + 2x + 4 • 2x2 + 2x – 4 How? 
College Algebra
Consider the function f(x)=4  x^2 for the domain [ 0,∞). Find f^−1 (x), where f^−1 is the inverse of f. Also state the domain of f^−1 in interval notation. f^1 (x) = ___ for the domain ___ 
Algebra 2
If f(x)= x2 + 2x  6 and g(x)= 3x2  5x  7, find f(x)g(x). A) 2x2  3x + 1 B) 2x2 + 7x + 1 C) 2x2  3x  13 <my choice D) 4x2  3x  13