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Step-by-step explanation:
Answer:
La respuesta correcta es la opción d) 5 a 1.
Step-by-step explanation:
Para calcular la relación entre los ingresos de Mary en 2019 () con respecto a sus ingresos en 2018 (), partimos de que los ingresos de Mary en 2019 fueron un 20% mayores que sus ingresos en 2018:
Entonces, la relación entre los ingresos de Mary en 2019 es 5 veces los ingresos de Mary en 2018. Por lo tanto, la respuesta correcta es la opción d) 5 a 1.
Espero que te sea de utilidad!
The first question is non-linear because it is an exponential equation, which is a curved line on a graph.
The second question is linear because you gain 5 every week, which is a straight line.
Let's solve ~
If it passes through x, then let's find x when y = 0
So, required values of x are 3 and -2
Now, let's differentiate the equation to get slope slope for tangent ~
Now, plug in the values of x to find slopes of tangents
and
We know, tangent are normal are perpendicular. so let's find out slopes of normals m1' and m2'
and
Now, write the equations of normals using point slope form :
Normal 1 : passing through (3 , 0), and slope = -1/5
and
Normal 2 : passing through (-2 , 0), and slope = 1/5
That's all for Aunty ~ hope it helps !