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slamgirl [31]
3 years ago
9

If f(x)=5x-2 and g(x)=2x+1 , find (f-g)(x)

Mathematics
2 answers:
Vilka [71]3 years ago
8 0
f(x)=5x-2\\\\g(x)=2x+1\\\\(f-g)(x)=(5x-2)-(2x+1)=5x-2-2x-1=3x-3


Answer: B. 3x - 3
krok68 [10]3 years ago
3 0

Answer:

The correct option is B.

Step-by-step explanation:

The given functions are

f(x)=5x-2

g(x)=2x+1

We have to ind the value of (f-g)(x).

(f-g)(x)=f(x)-g(x)

(f-g)(x)=5x-2-(2x+1)

(f-g)(x)=5x-2-2x-1

Combine like terms.

(f-g)(x)=(5x-2x)-2-1

(f-g)(x)=3x-3

Therefore option B is correct.

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Probably a parabola

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6 0
3 years ago
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HELP!! The measure of two supplementary angles are in the ratio 4:2. Find the two angles.
Colt1911 [192]

Hey there!

<u><em>Supplementary angles</em></u> always equal 180° when combined. We have our ratio which is 4:2. When we combine them, we have six. This is on a different scale than 180, so we need to divide 180 by six to see how much bigger we need to make our ratio so we can find the angles.

180/6=30

As we can see, our parts of the ratio are 1/30 the size of our actual angle. To find our angles now, we multiply each number by 30.

4(30):2(30)=120:60

As you can see, if we add 120 and 60, it equals 80, and if you simplify the ratio it is still 4:2.

Your angles are 120° and 60°.

I hope this helps!

8 0
3 years ago
Rock can read 10 books in 30 minutes.how long does it take rock to read 15 books,if the speed is consistant.
vazorg [7]
10book=30mins
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time to read 1 book=3 mins
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7 0
3 years ago
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The sum of two positive integers is 37. When the smaller integer is subtracted from twice the larger, the result is 41. Find the
yuradex [85]

Answer:

26 and 11

Step-by-step explanation:

When your add them you get 37, and when you multiply 26 by two you get 52. 52-11 is 41.

5 0
3 years ago
The ratio of cups of orange juice concentrate to water in a punch recipe is 2 : 5. If Geoffrey used 20 cups of water, how many c
Hoochie [10]

Answer: 8 cups

Step-by-step explanation:

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Therefore, he used 8 cups of orange juice concentrate.

8 0
3 years ago
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