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IgorLugansk [536]
3 years ago
9

Can someone please help me with my work

Mathematics
1 answer:
AlekseyPX3 years ago
6 0
g(x) = a f(\frac{1}{b}x)

If 'a' > 1, Then graph is vertically stretched by factor of 'a'

If 'a' < 1, Then graph is vertically compressed by a factor of 'a'

If 'b' > 1, Then graph is horizontally stretched by factor of 'b'

If 'b' < 1, Then graph is horizontally compressed by a factor of 'b'

For this example:

a = 1     ----> no vertical tranformation

b = 5    ----> horizontal stretch
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All of the following expressions have a value of 3 except _____. A -3(4 - 5) B |-2| + 1(3 - 2) C -8 ÷ -4 + 1 D 6 - 5 · 3
irakobra [83]
Answer choice D, A,B, and C both equal 3.
5 0
3 years ago
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In a certain clothing store,6 shirts and 3 ties cost $79.50 ,and 3 shirts and 2 ties cost $41. determine the cost of each shirt.
Komok [63]

Answer:

Each shirt cost $12

Step-by-step explanation:

First, we have to interpret this question and turn each to an equation, letting shirts represent the letter s and ties represent the letter t.

6 shirts and 3 ties cost $79.50 would be interpreted to 6s+3t=79.5 ,and 3 shirts and 2 ties cost $41 would be interpreted to 3s+2t=41

Hence we have two equations, and we solve them simultaneously.

6s+3t=79.5 (Equation 1)

3s+2t=41 (Equation 2)

We can either use the substitution method or the elimination method but for the sake of this question, we use the Elimination method.

6s+3t=79.5 (Equation 1)

3s+2t=41 (Equation 2)

We multiply equation 1 by 2 and we multiply equation 2 by 3, I'm prefer to eliminate the

2(6s+3t=79.5)

12s+6t=159 Equation 3

3(3s+2t=41)

9s+6t=123 Equation 4

We subtract equation 4 from equation 3.

12s+6t=159

9s+6t=123

12s-9s=3s

6t-6t=0

159-123=36

We therefore have

3s=36

Divide both sides by 3

s=36/3

s=12

One shirt cost $12

3 0
3 years ago
Which set of ordered pairs represents a function?
Lemur [1.5K]
It would be D, because to be a function, a set of ordered pairs cannot have the same x value. The y value can be the same though.
(5,6), (8,6), (9,6) 
As you can see, all of the x values are different, so it is a function.
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kogti [31]
Check the picture below.

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What does x and y equal?​
Olegator [25]

Answer:

32 + x= 90

x= 90- 32 = 58

x + y = 90

38 + y= 90

y= 90-38

y = 52

Step-by-step explanation:

5 0
3 years ago
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