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Mamont248 [21]
3 years ago
6

PLEASE HELP Find the range of f(x) = -3x + 2 for the domain {-3, 1, 2,5}.

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

range = {11,-1,-4,-13}

Step-by-step explanation:

domain is "input" range is "output"

just "plug" {-3, 1, 2,5} into -3x + 2 one at a time

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marissa [1.9K]

Answer:

22.4

Step-by-step explanation:

6 0
3 years ago
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-7+21y+23=16 pls help rn
love history [14]

Answer:

y = 0

Step-by-step explanation:

- 7 + 21y + 23 = 16

- 7 + 23 =( 23 - 7) = 16

16 + 21y = 16

21y = 0

y = 0 \div 21

\boxed{\green{y = 0}}

4 0
2 years ago
A certain type of bacteria reproduces so that after x hours there are 15x cells. What single power represents he size relationsh
algol [13]

Answer:

let's say cells is c and hours are x that means there are 15 cells each hour. the equation for that is c=15x

after 08 hours the cells have multiplied 8 times their original size. meaning that the equation changes to this: c=15x          x=8    c= 15(8)

x equals 8 at that time.. literally

ok the cells have multiplied and now there are 120 cells in total

then after one day the cells have multiplied over 12 times afterwards. now x equals 24. the equation would look a little like this:

c=15x      x=24    c= 15(24)

there are 360 cells now.

Explain in your own words the relationship between x=8 with x=24 in the equation.

7 0
2 years ago
Mark bought a notebook for $1.45 and some pencils for $0.42 each. If the total cost was $6.91, how many pencils did he buy?
Lesechka [4]
B - 13

Okay, we know that Mark brought 1 notebook and the totally is 6.91 while one pencil costs $0.42.

x= number of pencils he brought.
we know the price of 1 notebook + the cost of pencils times the numbers of pencils he brought = total cost.

So the equation will be:

1.45 + 0.42x = 6.91  subtract 1.45 on both sides.
0.42x = 5.46   Then we solve for x by dividing both sides by 0.42
x= 13

So the number of pencils he brought is 13.

5 0
2 years ago
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Help please? i need t
sergeinik [125]

Answer:  B

$30 + 0.18m < $55

Look at the signs!!!!

Additional mean add!

Less than <

M represent the number of miles





7 0
3 years ago
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