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adoni [48]
3 years ago
6

Which function represents a reflection of f(x) = Three-sevenths(2)x over the x-axis?

Mathematics
2 answers:
NemiM [27]3 years ago
9 0

<u>Given:</u>

The given function is f(x)=\frac{3}{7}(2)^{x}

We need to determine the reflection of f(x) over the x - axis

<u>Reflection over x - axis:</u>

The translation rule to reflect over the x - axis is given by

(x, y) \rightarrow(x,-y)

Reflecting the function over the x - axis, we get;

-y=\frac{3}{7}(2)^{x}

Multiplying -1 to both sides of the equation, we have;

y=-\frac{3}{7}(2)^{x}

This can be written as

g(x)=-\frac{3}{7}(2)^{x}

Hence, the reflection of the function over the x - axis is g(x)=-\frac{3}{7}(2)^{x}

Thus, Option A is the correct answer.

Gekata [30.6K]3 years ago
8 0

Answer:

A

Step-by-step explanation:

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A baseball team played 25 games and won 10 of them. What percent of the games did they win?
GalinKa [24]

Answer: 40%

Step-by-step explanation:

Setting up an equation to solve,

25 as the denominator representing the total number of baseball games played to represent the "whole."

10 as the numerator representing the number of games the baseball games won to represent the "part" you want to calculate as a percentage.

The equation, looking like this,

10/25 = ___

after calculating the equation you get 2/5 as reduced, evaluating that in terms of percentage you get 40% as 5 represents 100% (the whole) and 2 representing 40% (the number of baseball games won)

3 0
3 years ago
Please please help with this. i need all 10 plsss. will mark as brainliest
iren2701 [21]

Answer:

1) (x+3)(x+4)

2) (x-9)(x+1)

3) (x-6)(x+5)

4) (x-3)(x-5)

5) (x-10)(x+1)

6) (x+3)(x+8)

7) (x-2)(x-8)

8) (x+4)(x-1)

9) (x-9)(x+5)

10) (x-8)(x+2)

5 0
3 years ago
Kiran and Clare live 24 miles away from each other along a rail trail. One Saturday, the two friends started walking toward each
vivado [14]

Answer:

They would be 44.6 miles apart

Step-by-step explanation:

Here, we want to calculate how far they will be in 1 hour

Mathematically;

Distance = speed * time

In 1 hour, Kiran would have traveled a distance of 3 * 1 = 3 miles

While Clare would have traveled a distance of 3.4 * 1 = 3.4 miles

Now, we want to calculate how far apart they would be

On the 24 miles trail, Kiran would be at a distance of 21 miles to the other end

On the 24 miles Claire would be at a distance of 20.6 miles

So how far apart they would be is

24 miles + 20.6 miles = 44.6 miles

3 0
2 years ago
A phone company offers two monthly plans. Plan A costs $16
Trava [24]
We can write two equations for this. x = each minute of calls

Plan A = .1x + 16
Plan B = .14x

Make the two equations equal each other, so we can find when they are the same.

.1x + 16 = .14x

Subtract .1x from both sides

16 = 0.04x

Divide by 0.04 to get x by itself

400 = x.

Earlier, we set x as each minute of calls. This means that after 400 calls, Plan A and Plan B will cost the same.

To find the cost, substitute 400 into both equations by themselves.

Plan A cost = .1x + 16
Plan A cost = .1(400) + 16
Plan A cost = 40 + 16
Plan A cost = $56

Plan B cost = .14x
Plan B cost = .14(400)
Plan B cost =  $56

Final answer: After 400 calls, Plan A and Plan B will both cost $56.
8 0
3 years ago
Kenny wants to grow tomatoes and herbs so he can make his own fresh pizza sauce. Kenny's planter box is seven feet long and four
Studentka2010 [4]

Answer: 56

Step-by-step explanation: LxWxH

Or 7x4x2

4 0
3 years ago
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