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N76 [4]
3 years ago
7

(X+3)(x-4) what is the middle term in he simplified product?

Mathematics
2 answers:
Grace [21]3 years ago
8 0

Well, FOIL it first:

First

Outside

Inside

Last

x*x=x^2

x* -4= -4x

x*3= 3x

3* -4= -12

Together, the simplified product is:

x^2 + -1x-12

So, the middle term is -1

MakcuM [25]3 years ago
5 0

Answer:

The middle term is - x

Step-by-step explanation:

Use Foil

F: x * x = x^2

O: -4 * x = - 4x

I: 3*x = 3x

L: 3 * - 4 = -12

F+O+I+L = x^2 - 4x + 3x - 12

F+O+I+L = x^2 - x - 12

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Mariulka [41]

At x=2, y=4

At x=4, y=16

So the total change in y from x=2 to x=4 is 16-4=12

And since average rate of change = total change in y divided by total change in x within the same period, therefore the answer is 12/2 = 6

Hope that helps. Let me know if you have any questions.

7 0
3 years ago
The initial population of bacteria in a lab test is 400. The number of bacteria doubles every 30 minutes. Predict the bacteria p
vladimir1956 [14]
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2 years ago
Let f(x)=4x+9. Write a function g whose graph is a reflection in the y-axis of the graph of f. g(x)= ?
frez [133]

Answer:

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Step-by-step explanation:

So we know that:

f(x)=4x+9

To reflect across the <em>y-axis</em>, instead of x, use -x. Therefore:

g(x)=f(-x)=4(-x)+9

Simplify:

g(x)=-4x+9

And that's our answer :)

3 0
3 years ago
Does it matter what order you add the numbers in the problem
EastWind [94]

Answer:no it doesn’t matter what order you add the number.

Step-by-step explanation:

2 plus 3 equals 5

3 plus 2 equals 5

No matter the way you add 3 and 2, you still get 5

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3 years ago
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Step-by-step explanation:

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