garzamatt7
25.09.2019 •
Mathematics
What kind of symmetry is displayed by the graph of catenary y=e^x+e^-x/2
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Ответ:
Option b
Step-by-step explanation:
To solve this problem we must test if the function is even.
If f(-x) = f(x) then the function is even and is symmetric with respect to the y-axis.
If f(-x) = -f(x) then the function is odd and has symmetry with respect to the origin.
We have the function:
We make:
Rewriting the function we have
Finally, the function has symmetry with respect to the y axis.
Ответ:
Step-by-step explanation:
The formula of a distance between a point (x₀, y₀) and a line Ax + By + C = 0:
We have the point D(5, 4) and the line 3x + 5y - 4 = 0.
Substitute: