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frosja888 [35]
2 years ago
14

WILL MARK BRAINIEST!! 50 POINTS.

Mathematics
2 answers:
galben [10]2 years ago
7 0

Answer:

Part A: The two types of types of transformation are

1) Rotation of 11.3° about (1, 2)

2) By algebraic transformation

Part B:

Rotation by 11.3° and T(2 - y)×1/2 + x, 0)

Part C: The transformation that can be used to transform f(x) to g(x) is T(2 - y)×1/2 + x, 0)

Step-by-step explanation:

The coordinates through which the linear function f(x) passes = (1. 3) and (3, 13)

The coordinates through which the linear function g(x) passes = (1, 3) and (1, 13)

The equation for f(x) in slope and intercept form. y = m·x + c is given as follows;

The slope, m = (13 - 3)/(3 - 1) = 5

The equation in point and slope form is y - 3 = 5×(x -1)

y = 5·x - 5 + 3 = 5·x - 3

y = 5·x - 3

The equation for g(x) in slope and intercept form. y = m·x + c is given as follows;

The slope, m = (13 - 3)/(1 - 1) = ∞

∴ The equation in point and slope form is x = 1

Therefore, the two equations meet at the point (1, 2)

The transformation that can be used to transform f(x) to g(x) is T(2 - y)×1/2 + x, 0)

2) Another transformation that can be used is to rotate f(x) by the vertex angle as follows

Vertex angle is 90° - tan⁻¹(m) = 90° - tan⁻¹(5) ≈ 11.3°

Rotation of f(x) by 11.3° about (1, 2) gives g(x)

Hope this helped!

tiny-mole [99]2 years ago
6 0

Answer:

Step-by-step explanation:

One simple kind of transformation involves shifting the entire graph of a function up, down, right, or left. The simplest shift is a vertical shift, moving the graph up or down, because this transformation involves adding a positive or negative constant to the function. In other words, we add the same constant to the output value of the function regardless of the input. For a function  

g

(

x

)

=

f

(

x

)

+

k

, the function  

f

(

x

)

 is shifted vertically  

k

 units.

Graph of f of x equals the cubed root of x shifted upward one unit, the resulting graph passes through the point (0,1) instead of (0,0), (1, 2) instead of (1,1) and (-1, 0) instead of (-1, -1)

Figure 2. Vertical shift by  

k

=

1

 of the cube root function  

f

(

x

)

=

3

√

x

.

To help you visualize the concept of a vertical shift, consider that  

y

=

f

(

x

)

. Therefore,  

f

(

x

)

+

k

 is equivalent to  

y

+

k

. Every unit of  

y

 is replaced by  

y

+

k

, so the  

y

-

 value increases or decreases depending on the value of  

k

. The result is a shift upward or downward.

A GENERAL NOTE: VERTICAL SHIFT

Given a function  

f

(

x

)

, a new function  

g

(

x

)

=

f

(

x

)

+

k

, where  

k

 is a constant, is a vertical shift of the function  

f

(

x

)

. All the output values change by  

k

 units. If  

k

 is positive, the graph will shift up. If  

k

 is negative, the graph will shift down.

EXAMPLE 1: ADDING A CONSTANT TO A FUNCTION

To regulate temperature in a green building, airflow vents near the roof open and close throughout the day. Figure 2 shows the area of open vents  

V

 (in square feet) throughout the day in hours after midnight,  

t

. During the summer, the facilities manager decides to try to better regulate temperature by increasing the amount of open vents by 20 square feet throughout the day and night. Sketch a graph of this new function.

Solution

HOW TO: GIVEN A TABULAR FUNCTION, CREATE A NEW ROW TO REPRESENT A VERTICAL SHIFT.

Identify the output row or column.

Determine the magnitude of the shift.

Add the shift to the value in each output cell. Add a positive value for up or a negative value for down.

EXAMPLE 2: SHIFTING A TABULAR FUNCTION VERTICALLY

A function  

f

(

x

)

 is given below. Create a table for the function  

g

(

x

)

=

f

(

x

)

−

3

.

x

 2 4 6 8

f

(

x

)

 1 3 7 11

Show Solution

Identifying Horizontal Shifts

We just saw that the vertical shift is a change to the output, or outside, of the function. We will now look at h

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I really need help guys can some one plz help me it's for 10 points
11111nata11111 [884]

Answer:

\sqrt{8}----- 2units,2units

\sqrt{7} ------\sqrt{5}units,\sqrt{2}units

\sqrt{5}-------1unit,2units

3------2units, \sqrt{5}units

Step-by-step explanation:

Use pythagorean's theorem to solve each pair individually.

The instructions say that you have the two sides (a and b) and you have to match it with their hypothenuse.

Formula: c^2=a^2+b^2

1. a=\sqrt{5}, b=\sqrt{2}

Plug this into the formula.

c=\sqrt{(\sqrt{5} )^2+(\sqrt{2})^2 }

The square here eliminates the roots.

c=\sqrt{5+2}\\ c=\sqrt{7}

2. a=\sqrt{3}, b=4

c=\sqrt{(\sqrt{3} )^2+(4)^2}\\ c=\sqrt{3+16}\\ c=\sqrt{19}

3. a=2, b=\sqrt{5}

c=\sqrt{(2)^2+(\sqrt{5})^2 }\\ c=\sqrt{4+5}\\ c=\sqrt{9}\\ c=3

4. a=2, b=2

c=\sqrt{(2)^2+(2)^2}\\ c=\sqrt{4+4}\\ c=\sqrt{8}

5. a=1, b=2

c=\sqrt{(1)^2+(2)^2}\\ c=\sqrt{1+4}\\ c=\sqrt{5}

7 0
3 years ago
A public rectangular-shaped pool is 15 m by 30 m. Public pools must be surrounded by a cement
n200080 [17]

Answer:

15m I think

Step-by-step explanation:

Sorry if im wrong

5 0
3 years ago
If the cos of angle x is 8 over 17 and the triangle was dilated to be two times as big as the original, what would be the value
Viktor [21]

Answer:

the answer is 8/17

Step-by-step explanation:

i got it right on the quiz

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3 years ago
An equilateral triangle has side length 10 centimeters. Find its area in square centimeters. HINT: The altitude of an equilatera
dmitriy555 [2]
30cmsquared hope this helps!!!!!
3 0
3 years ago
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faltersainse [42]
A.
because the total distance of every triangle 180. Add the two other angles so 42+ 57 =99. Then you have to subtract those two combined angles to find the missing one from the total distance, which is 180. 180-99=81. the answer is A. 81
5 0
3 years ago
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