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For the function h(x)=4x2-9,what is its domain?
All real numbers
x≠0
All real numbers except x=32\frac{3}{2}23
Which of the following represents the correct domain of the function g(x)=1x−2\frac{1}{x-2}x−21
x≠2
All real numbers except x=2
What does b ∈ A mean?
b is an element of A
A is an element of b
Which of the following sets refers to positive integers?
{ 0,1,2,3...0,1,2,3...0,1,2,3... }
{ 1,2,3...1,2,3...1,2,3... }
{ −1,0,1...-1,0,1...−1,0,1... }
For the function f(x)=3x−2\sqrt{3x-2}3x−2 ),what is the domain?
x≥0
x>2/3
x≥2/3
For the function f(x)=x2\sqrt{x^2}x2 +9,what is the domain?
x>0
What does a ∉ B mean?
a is an element of B
a is not an element of B
The domain of the function f(x)=∣2x-1∣ is:
x≠1/2
All real numbers except x=1/2
What does B ⊇ A mean?
A is a superset of B
B is a superset of A
For the function k(x)=9−x2\sqrt{9-x^2}9−x2,what is its domain?
x≤3 or x≥-3
x<3 or x>-3
-3≤x≤3
It is done.