Simplify the expression 2x²6 when x = 5
2 answers:
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A complex number has a real and an imaginary part
is a complex number
A complex number is represented as:
Where:
<em /><em> real</em>
<em /><em> imaginary</em>
<em />
By comparing the options to ;
and
are not complex numbers
This is so because they do not have imaginary parts
However,
is a complex number
Because; 9i is imaginary
Read more about complex numbers at:
Answer:
Yes; there is only one range value for each domain value
Step-by-step explanation:
A relation can be defined as a function f(x) if for each value of the domain of x, there exists a unique value of f(x).
For example
(2, 4)(3, 9)(-2, 4)(4, 16) Is a Function
(2, 4)(2,6)(3, 8)(3, -8) Is Not a Function
To analyze if the relationship shown is a function, you must observe that each value of the domain has a single value of the range assigned.
For the given points {(-5, 6), (-2, 3), (3, 2), (6, 4)} this requirement is satisfied. Therefore, the relationship is a function. The graph is shown in the attached image.
The correct option is: Yes; there is only one range value for each domain value
