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Dafna11 [192]
3 years ago
9

If f(x) = 3x - 2 and g(x) = 2x + 1, find (f - g)(x)

Mathematics
2 answers:
Alexus [3.1K]3 years ago
8 0

<u>Answer:</u>

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

<u>Step-by-step explanation:</u>

We are to find ( f - g ) ( x ) given that f ( x ) = 3 x - 2 and g ( x ) = 2 x + 1.

So basically we have to subtract the function g from function f.

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

Substituting the given functions in the above equation to get:

( f - g ) ( x ) = (3x - 2) - (2 x + 1 )

( f - g ) ( x ) = 3x - 2 - 2 x - 1

( f - g ) ( x ) = 3x - 2 x - 2 - 1

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

morpeh [17]3 years ago
6 0

Answer:

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

Step-by-step explanation:

Given

f(x) = 3x-2

and

g(x) = 2x+1

We have to find (f-g)(x)

So,

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

= 3x-2 - (2x+1)

= 3x-2-2x-1

=x-3

Hence,

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

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