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kaheart [24]
2 years ago
12

Which of the following describes the transformation of g(x) = -(2)x+4 -2 from the parent function f(x)= 2^x

Mathematics
2 answers:
Dmitrij [34]2 years ago
7 0

Answer:

Shift 4 units left, reflected over x-axis, shift two units down.

Step-by-step explanation:

We have been given formula of a parent function f(x)=2^x and we are asked to find the transformations that are used to get g(x)=-(2)^{x+4}-2 from our given parent function.

Let us recall transformation rules.

f(x-a)\rightarrow \text{Graph shifted to right by a units},

f(x+a)\rightarrow \text{Graph shifted to left by a units},

f(x)+a\rightarrow \text{Graph shifted upwards by a units},

f(x)-a\rightarrow \text{Graph shifted downwards by a units},

f(-x)\rightarrow \text{Graph reflected across y-axis},

-f(x)\rightarrow \text{Graph reflected across x-axis}.

Upon looking at our given f(x) and g(x),we can see these transformations:

  • Our parent function is shifted to left by 4 units.
  • Our parent function is reflected over x-axis.
  • Our parent is shifted downwards by 2 units.

Therefore, option A is the correct choice.

Nataly [62]2 years ago
4 0
Ok, so what happend was 4 was added to every x, the whole thing was multiplied by -1 and -2 was added to the whole function

so
adding 4 to every x shifts the graph to the left 4 units
multiplying the whole function by -1 reflects it over the x axis
adding -2 to the whole function moves it down2 units

so that would be the first option
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Select all of the following expressions that are equivalent to 0.25.
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4. -(-0.25) = 0.25

5. 2x - 1.75x = 0.25x


So your answers are 3 and 4.


6 0
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LenKa [72]

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4 0
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Siobhan performs the elementary row operation represented by 2R3-R2 on matrix A.<br>​
Natalija [7]

Answer:

The matrix would be:

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Step-by-step explanation:

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3 0
3 years ago
1. A sine function has the following key features
strojnjashka [21]

Answer:

1) y= 2sin(\frac{1}{2}x) + 2

2) y= 3sin(\frac{\pi}{2}x)-1

3) y= 2sin(2x) -2

Step-by-step explanation:

General form of sin function is

y= Asin(Bx) + C

Where A is Amplitude

B is \frac{2\pi}{\text{Period}}

C is Mid line

1) Given : A sine function has the following key features  

Frequency = \frac{1}{4\pi}

Period is P=\frac{1}{f}=\frac{1}{\frac{1}{4\pi}}=4\pi

Amplitude= 2

Mid line y= 2

Y intercept (0,2)  

This function is NOT a reflection of its parent function of the x-axis

Solution : We put the value in the general form of sin function

A= 2 ,  B=\frac{2\pi}{4\pi}=\frac{1}{2} , C=2

y= Asin(Bx) + C

y= 2sin(\frac{1}{2}x) + 2

2) Given : A sine function has the following key features  

Period = 4

Amplitude = 3

Mid line y = -1

Y intercept (0,-1)

Solution : We put the value in the general form of sin function

A= 3 ,  B=\frac{2\pi}{4}=\frac{\pi}{2} , C=-1

y= Asin(Bx) + C

y= 3sin(\frac{\pi}{2}x)-1

3) Given : A sine function has the following key features  

Period = \pi

Amplitude = 2

Mid line y = -12

Y intercept (0,-2)

Solution : We put the value in the general form of sin function

A= 2 ,  B=\frac{2\pi}{\pi}=2 , C=-2

y= Asin(Bx) + C

y= 2sin(2x) -2

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Why is -4 + 5 = to 1
Firlakuza [10]

-4+5 equals 1 because on a number line -4 is left of 0, and positive 5 is right of 0. So therefore moving from -4 5 spaces right would put you at (pos) 1.

7 0
3 years ago
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