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Eddi Din [679]
3 years ago
15

If f(x) = 2x - 6 and g(x) = 3x + 9, find (f - g)(x).

Mathematics
2 answers:
nataly862011 [7]3 years ago
8 0

(f-g)(x)=2x-6-(3x+9)=2x-6-3x-9=-x-15

Black_prince [1.1K]3 years ago
4 0

Answer:

The correct option is C.

Step-by-step explanation:

The correct option is C.

We have given:

f(x) = 2x - 6 and g(x) = 3x + 9

Now we have to find (f-g)(x)

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

Now subtract g(x) from f(x)

(2x - 6) - (3x + 9)

Open the parenthesis. When we open the parenthesis the signs of second bracket will become negative because there is a negative sign outside the bracket.

(f-g)(x)= 2x-6-3x-9

Now solve the like terms:

(f-g)(x)= -x-15

Thus the correct option is C....

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