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goldfiish [28.3K]
3 years ago
12

What is the answer to this problem... f(x)3x+7=

Mathematics
1 answer:
USPshnik [31]3 years ago
3 0
There really isn't a answer. Let me explain, this is a function. A function shows what operation you have to do to get a y value or any kind of value. Whenever it has a f(x) or any variable in the 'x' part you will automatically know that it's a function. So what you do is substitute any number for the variable that's there, any number, whether it's 100 or 1. So in this case a x is what we have to put in a substitute for. So let's try 1. 1x3 = 3, 3+7 is 10. So the function of x for 1 is 10. Now keep doing that and you'll get numbers which will turn into points in a graph (when we substituted in a 1 and got a result that's the y value) and that's the "answer".
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   quotient: 5x^4 -15x^3 +45x^2

Step-by-step explanation:

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To find the dividend for the next step, subtract the product of quotient term and divisor from the current dividend. This is essentially the same way you do long division using integers.

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Step-by-step explanation:

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Find the dimensions of the rectangle<br><br> A. 5x8<br> B. 2x6<br> C. 3x6<br> D. 2x3
nadya68 [22]
<h3>Answer: choice B) 2 by 6</h3>

===============================================

How I got that answer:

Opposite sides of the rectangle are the same length, so

y = 2x-4 (horizontal sides)

3y = x+3 (vertical sides)

-----------

Start with the second equation. Replace the 'y' with (2x-4) which is from the first equation. This replacement will allow us to solve for y

3y = x+3

3(2x-4) = x+3 .. replaced y with (2x-4)

6x-12 = x+3 ... distribute

6x-12+12 = x+3+12 ..... add 12 to both sides

6x = x+15

6x-x = x+15-x ..... subtract x from both sides

5x = 15

5x/5 = 15/5 ........ divide both sides by 5

x = 3

----------

Now we know the value of x, which means we can find the value of y

y = 2x-4

y = 2*3-4 .... replace x with 3

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So the horizontal side is 2 units long

The vertical side is therefore 3y = 3*2 = 6

or we can say x+3 = 3+3 = 6 getting the same answer

6 0
3 years ago
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