Topic 5: Polynomial and Other Equations
Determine the set of values of
Select one:
a.
b.
c. all real numbers
d.
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The set of values of
Step 1 :The cube root of a number is defined for all real numbers. This is because any real number can be the cube of another real number. For example, the cube root of 8 is 2, and the cube root of -8 is -2.
Step 2 :Therefore, the expression
Step 3 :Since the sum of two real numbers is always a real number,
Step 4 :Therefore, the expression
Step 5 :The set of values of