Each graph below represents a function. Drag the correct domain for each function
1 answer:
Answer:
1st function: all negative real numbers
2nd function: all real numbers
3rd function: all real numbers except -3 ≤ x ≤ 3
4th function: all real numbers between -3 and 3
Step-by-step explanation:
In the picture attached, the question is shown.
The domain is the set of all the numbers that the independent variable (here, x) can assume.
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Consider a few powers which are close to 120 and 130:
squares:
cubes:
4th powers:
now clearly there is no point of checking 5th, 6th and so on powers of numbers >2.
so check powers of 2:
So we have :
squares:
cubes:
4th powers:
now clearly there is no point of checking 5th, 6th and so on powers of numbers >2.
so check powers of 2:
So we have :