Describe the natural domain of the function. f(x) = x2 + 4
A. {x|x ? -4}, or (-?, -4) ? (-4, ?)
B. all real numbers, or (-?, ?)
C. {x|x ? -4}, or [-4, ?)
D. {x|x > -4}, or (-4, ?)
Answer: B
Mathematics
You might also like to view...
Calculate the area of the surface S.S is the portion of the cylinder x2 + y2 = 25 that lies between z = 4 and z = 5.
A. 45? B. 90? C. 10? D. 5?
Mathematics
Solve the problem.Determine whether the ordered triple 
is a solution of the system of equations.9x - 9y - 6z = -116x + 3y - 3z = 1 x - y + 2z = -3
A. No B. Yes
Mathematics
Use the vectors v, u, w, and z to draw the indicated vector. 
z - v
A. 
B. 
C. 
D. 
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Mathematics