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scoundrel [369]
3 years ago
13

How do you do this question?

Mathematics
1 answer:
LiRa [457]3 years ago
3 0

Step-by-step explanation:

arctan(x) is less than π/2 for x > 0.  Therefore, if we say g(x) = 13 (π/2) / eˣ, then f(x) < g(x) for all values of x > 0.

g(x) = 13 (π/2) / eˣ

g(x) = 13π/2 · (1/e)ˣ

So g(x) is a geometric series where r = 1/e.  Since |r| < 1, the series converges.

Since g(x) converges, the smaller f(x) also converges.

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Quadrilaterals WXYZ and W"X"Y"Z"are similar. Identify the type of reflection
Anna71 [15]

Answer:

B) To obtain quadrilateral W'X'Y"Z" quadrilateral WXYZ is reflected across

the x-axis and dilated with a scale factor of 1/2

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, rotation, translation and dilation.

If a point A(x, y) is reflected across the x axis the new point is at A'(x, -y)

Dilation is the enlargement or reduction in the size of a figure by a scale factor. If a point A(x, y) is dilated by a scale factor of k about the center of origin, the new point is at A'(kx, ky).

The vertex of Quadrilaterals WXYZ is at W(-6, 8), X(-2, 8), Y(-2, 2), Z(-6, 8) while the vertex of Quadrilaterals W"X"Y"Z" is at W"(-3, -4), X"(-2, -4), Y"(-1, -1), Z"(-3, -4)

If quadrilateral WXYZ is reflected across  the x-axis, the new coordinates would be at W'(-6, -), X'(-2, -8), Y'(-2, -2), Z'(-6, -8). If the quadrilateral is then dilated with a scale factor of 1/2, the new point is at W"(-3, -4), X"(-2, -4), Y"(-1, -1), Z"(-3, -4)

5 0
3 years ago
What is the average mean of these scores 90 80 60 and 50
kirill115 [55]

Answer:

70

Step-by-step explanation:

You add all the numbers together and then divided by the number of numbers so

90+80+60+50=

280 divided by 4 is 70

6 0
3 years ago
Which is a translation of "two times the difference of a number and 7"
Burka [1]
The answer is 2(x-7)
Hope this helps and good luckkk :)
6 0
3 years ago
Read 2 more answers
EXPONENTIAL GROWTH FUNCTION
Hitman42 [59]

Answer:

you can use the formula of ś = s (1+r/100)^t

Step-by-step explanation:

where ś = sales after 7 years

t= time taken

s= initial sales

r = rate

7 0
3 years ago
F(x)=x^2 What is g(x)?
Vikki [24]

Answer:

answer is D

Step-by-step explanation:

4 0
3 years ago
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