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Aleks [24]
3 years ago
14

ASAAPPP!! Which of the following exponential equations could be represented by the table below?

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
8 0

Answer:

C) y=3^{x-3}+2

Step-by-step explanation:

In this question, from the table looking at the Range row (y values). We can clearly see increasing values. Increasing exponential functions follow this rule:

y=a^{n} \Rightarrow a>1

As \frac{1}{3} We can eliminate A, D for they are decreasing exponential functions.

And let's focus on the test for B, and C

b) y=3^{x-2}-3\\y=3^{-3-2}-3\Rightarrow (-3,-2.9959)\\c) y=3^{x-3}+2\\y=3^{-3-3}+2\Rightarrow (-3,2.0014)

As the first coordinate point matches, then it's C the answer

Ne4ueva [31]3 years ago
7 0

Answer:

Option C

Step-by-step explanation:

Just took the quiz and it was right.

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Distance between parallel lines y=3x+10 and y=3x-20
Alecsey [184]

1. Take an arbitrary point that lies on the first line y=3x+10. Let x=0, then y=10 and point has coordinates (0,10).


2. Use formula d=\dfrac{|Ax_0+By_0+C|}{\sqrt{A^2+B^2}} to find the distance from point (x_0,y_0) to the line Ax+By+C=0.


The second line has equation y=3x-20, that is 3x-y-20=0. By the previous formula the distance from the point (0,10) to the line 3x-y-20=0 is:

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3. Since lines y=3x+10 and y=3x-20 are parallel, then the distance between these lines are the same as the distance from an arbitrary point from the first line to the second line.


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Find AC if A=25°, B=24°, and CB=14
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3 years ago
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