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13.01.2021 •
Mathematics
To the nearest unit, what is the perimeter of this pentagon?
5
3
2
1
2
4
-6 -5 -4 -3 -2 -1 0
-1
2
-3
-4
-5
sh
27 units
0 29 units
0 30 units
0 34 units
Solved
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Ответ:
27 units
Step-by-step explanation: I just did the test and Got it right
Ответ:
The equations of the vertical asymptotes are x = -3 , x = 3
The horizontal asymptote is the x-axis of equation y = 0
The zero of the function is x = 0
Step-by-step explanation:
* Lets explain how to solve the problem
- The rational function is f(x)/g(x) , where f(x) is the numerator of it and
g(x) is its denominator
- Vertical asymptotes can be found by solving the equation g(x) = 0
- If the numerator f(x) is a lower degree than the denominator g(x),
then the x-axis (y = 0) is the horizontal asymptote.
- The zeroes of the function are the values of x when f(x) = 0
* lets solve the problem
∵ The rational function
- The numerator is 3x and the denominator is x² - 9
∵ Vertical asymptotes can be found by solving the equation x² - 9 = 0
∵ x² - 9 = 0 ⇒ add 9 to both sides
∴ x² = 9 ⇒ take √ for both sides
∴ x = ± 3
∴ The equations of the vertical asymptotes are x = -3 , x = 3
∵ The degree of the numerator is 1
∵ The degree of the denominator is 2
∴ The degree of the numerator < the degree of the denominator
∴ The horizontal asymptote is the x-axis of equation y = 0
∵ To find the zero of the function put the numerator = 0
∵ The numerator is 3x
∴ 3x = 0 ⇒ divide both sides by 3
∴ x = 0
∴ The zero of the function is x = 0
# Look to the attached graph for more understanding