The domain of a function is the set of values of the independent variable for which the function is defined. The square root function is defined for all non-negative real numbers. So, ...
The domain of
y = √x
is all real numbers greater than or equal to zero. (x ≥ 0)
_____
In some cases, there may be other limits on the domain of a function. A function may be defined for all values of mass, for example, but is of no practical use for values of mass greater than the mass of the known universe (or planet Earth, perhaps).
Answer:
1: 30
2: 20
3: 6
Step-by-step explanation:
1: .60 x 50 = 30
2: .50 x 40 = 20
3. .12 x 50 = 6
Idk why your two answers for 3 are 20 and 30 but neither of those are the answer
Answer:$12.15
Step-by-step explanation:
Given
The regular price of an item 
Maria gets a discount of 
Amount paid after the discount is

Answer:
I think its C
Step-by-step explanation:
Because f(g(x))=x = 1/f(g(x)) you do g divided by x to then g by x multiply the answers to get a inverse answer which means its C.