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Thepotemich [5.8K]
3 years ago
15

Write the domain & range of the function using interval notation.

Mathematics
1 answer:
fgiga [73]3 years ago
5 0
Option A will be the correct answer
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For each function, what is the output of the given input?
ki77a [65]

Answer:

1.  d. 10.

2. d. 35t + 2.75; $142.75.

Step-by-step explanation:

1.   f(-2) = -2*-2 + 6

    = 4 + 6

    = 10.

2.  The answer is 35t + 2.75

     and the cost of 4 tickets = 35*4 + 2.75 =  $142.75.

4 0
3 years ago
What is the value of y in the system of equations 6x-y=2 and 4x-y=-8
uysha [10]

Answer:

y=28

Step-by-step explanation:

6x-y=2

-y=2-6x

y=6x-2

4x-(6x-2)=-8

4x-6x+2=-8

-2x=-10

x=5

y=6*5-2=30-2=28

y=28

8 0
2 years ago
You are searching for two integers. The sum of twice the first integer and three times the second integer is nine. At the same t
devlian [24]

Answer:  -3 and 5

<u>Step-by-step explanation:</u>

Let x represent the 1st digit and y represent the 2nd digit. Then,

Eq 1: 2x + 3y = 9   →    3(2x + 3y = 9)     →     6x + 9y = 27

Eq 2: 3x + 2y = 1   →   -2(3x + 2y = 1)     →     <u>-6x - 4y =  -2</u>

                                                                              5y = 25

                                                                                y =  5

Substitute y = 5 into either of the original equations to solve for x:

2x + 3y = 9

2x + 3(5) = 9

2x + 15 = 9

2x        = -6

 x        = -3

Check (using the other original equation):

3x + 2y = 1

3(-3) + 2(5) = 1

-9    +  10   = 1

        -1       = 1  \checkmark

4 0
3 years ago
Person A tosses a penny. Person B tosses 2 pennies
Helen [10]
Person C tosses 3 pennies?
5 0
2 years ago
(10-i)-(12+6i)<br> .............
sergeinik [125]

Answer:

-2 - 7 i

Srry If Im wrng but Hope this helped :)

5 0
3 years ago
Read 2 more answers
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