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guajiro [1.7K]
3 years ago
9

For which pairs of functions is (f•g)(x)=x?

Mathematics
1 answer:
lara31 [8.8K]3 years ago
7 0
I believe it’s letter c
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F(x)=x^2-3x-21 is divided by x+4
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By factor theorem, f(-4)=7,therefore x+4 is not a factor of f..and remainder when decided by x+4 is 7
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A number divided by 6 is 18
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If the area of the larger circle is 25 times the area of the smaller circle then the radius of the larger circle is how many tim
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3 years ago
Help with this question, ASAP!!
Taya2010 [7]

Answer:

The answer to your question is: second option

Step-by-step explanation:

g(x) = x + 4

- This function is linear because the power of x is 1, if the power were a different number it would not be linear.

- As the sign of 4 is positive, it means that the function is translated 4 units up.

- A constant is when there is a number, for example +4 or -4, in this example the function also has a letter "X" so it is not a constant.

7 0
3 years ago
Please help I don’t understand please!!!
Vaselesa [24]

Answer:

y>5.5

Step-by-step explanation:

4y+3>2y+14

Subtract 2y from both sides.

2y+3>14

Subtract 3 from both sides.

2y>11

Divide 2 by both sides.

y>5.5

-hope it helps

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2 years ago
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