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Daniel [21]
3 years ago
7

F(x)=x-4 Find f(-5)???

Mathematics
1 answer:
cestrela7 [59]3 years ago
7 0

Answer:

-9

Step-by-step explanation:

Given function:

  • f(x)=x-4

Need to find f(-5)

  • f(-5) ⇒ x = -5
  • f(-5) = -5 -4 = -9
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3 years ago
The difference between eight times a number and three is equal to negative nineteen. What is the number?
Alex777 [14]

Answer:

The number is -2.

Step-by-step explanation:

From the word problem, we can figure out the equation for the unknown number (x).

8x-3=-19

We would then work out the equation to find x.

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8x=-16

Divide -16 by 8.

x=-2

7 0
3 years ago
Your bank statement indicates that you are overdrawn on your checking account by $250. How much must you deposit to bring the ch
andrey2020 [161]

Answer:

you would have to deposit $432.

Step-by-step explanation:

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3 0
3 years ago
The local cable company charges $90 per month for basic and $12 per month for each additional premium cable channel.The function
Alika [10]

Answer:

2 additional premium channels

Step-by-step explanation:

Using the given function, we substitute c(x) = 114 and solve for x:

114 =90 + 12x

Subtract 90 from both sides:

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Divide both sides by 12:

2=x

So you have ordered 2 additional premium channels.

5 0
3 years ago
Marc can wash the cars in 4 hours alone and Madison can wash the same cars in 2 hours alone how long would it take if they worke
skelet666 [1.2K]

Answer:

My answer 2 hour

Step-by-step explanation:

If whats-his-face can do it in 4 and girl can do it in 2 divide 4 and 2 and get 2.

Hope you get it right tell me if this is correct or not.

6 0
3 years ago
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