Simplify. Rewrite the expression in the form z^n. z^7/z^-14
1 answer:
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Option a. 1/4 is the right answer
Step-by-step explanation:
Given expression is:
Here
we know that
a = x
In order to find the number which should be added
comparing with the formula
So, we will add the square of 1/2 which is 1/4
Hence,
Option a. 1/4 is the right answer
Keywords: Expressions, polynomials
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Answer:
Domain: set of all real numbers
Range:
Step-by-step explanation:
We have to find the domain and range of the function:
This is a quadratic function, shape of a "U", that's called a parabola.
The domain is the set of x values for which the function is defined.
The range is the set of y values for which the function is defined.
Normally, any parabola in the form has domain as "all real numbers". This is the case for this problem as well, thus,
Domain = set of all real numbers
Now, for the range, we have to look at the minimum value of the function. So, the range would be y values greater than or equal to the minimum number. Lets find the minimum value of this function.
We have to find the value of x for which the minimum occurs by using the formula:
<em><u>Note: value of a is "5" and b is "10"</u></em>
Now, we plug this into the function to find the minimum value:
So, the range is set of all real numbers greater than or equal to -5.