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stepladder [879]
3 years ago
15

Which of the following graphs is the same as y = log1/2x? x = 2y x = 2-y x = -(2y)

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0
We can convert the logarithmic equation to exponential equation to find its equivalent equation.

y= log_{ \frac{1}{2} }(x) \\  \\ 


Shifting the base of log(1/2) to the other side of the equation, we can write:

(\frac{1}{2})^{y} =x \\  \\ 
x= \frac{ 1^{y} }{ 2^{y} }  \\  \\ 
x= \frac{1}{ 2^{y} } \\  \\ 
x= 2^{-y}
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Given the following equation, at what point will the graph intersect? f(x) =5x+1 g(x)= -2x+15
Andru [333]

Answer: (2,11)

Step-by-step explanation:

To find the point where the functions will intersect, we want to find the place that they are equal to each other. We do this by setting the equations equal to each other.

5x+1=-2x+15                       [add both sides by 2x]

7x+1=15                               [subtract both sides by 1]

7x=14                                  [divide both sides by 7]

x=2

Now, we know that the functions intersect at x=2. To find the point, we would plug x back into both equations to ensure that the points are the same.

f(2)=5(2)+1                         [multiply]

f(2)=10+1                            [add]

f(2)=11

The point on f(x) is (2,11).

g(2)=-2(2)+15                    [multiply]

g(2)=-4+15                         [add]

g(2)=11

The point on g(x) is (2,11).

Since the point at x=2 is the same for f(x) and g(x), we know that the graph intersects at (2,11).

8 0
3 years ago
The Food Co-op Club boasts that it has 5,000 members and a 200% increase in sales. Their markup is 36% based on cost. What would
Lady bird [3.3K]

Answer: 26.47%

Step-by-step explanation:

Given the following :

markup based on cost = 36%

Assume a cost of $50

$50 × 1.36 = $68

Now, markup based on the selling price ;

$68 - $50 = $18

Therefore, ratio of cost price to selling price :

18 / 68 = 26.47%

8 0
3 years ago
Somebody please help! I need this!
Mnenie [13.5K]

Answer:

216 ft is your answer

Step-by-step explanation:

10x5=50

6x5=30

6x8=48

6x8=48

8x5=40

Add all the sum, which would equal 216.

Hope this helps.

5 0
2 years ago
Which could be the vertices of triangle W? A. X(–2, 2), Y(–10, 2), Z(–6, 10) B. X(2, 2), Y(4, 2), Z(3, 4) C. X(0, 2), Y(4, 2), Z
kirill [66]

Answer:

A. B. C. D. E. F. G. H. I. J. K. L. M. N. O. P. Q. R. S. T. U. V. W. X. Y. Z

5 0
3 years ago
Which one is distributive property
faust18 [17]

Answer:

G

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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