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f(x) = 4× + 2 and g(x)=3× -1 Find( f - g )(4)

pa help naman po thanks ​

Sagot :

Iazzaiviz

Answer:

f(x) = 4x + 2

g(x) = 3x - 1

(f - g)(4) = 4(4) + 2 - 3(4) - 1

= 16 + 2 - 12 - 1

= 18 - 12 - 1

= 6 - 1

(f - g)(4) = 5

HOPE IT HELPS

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Domaumaruchan69viz

Solution :

Step 1. Find ( f – g ) ( x ).

( f – g ) ( x ) = f ( x ) – g ( x )

= ( 4x + 2 ) – ( 3x – 1 )

= 4x + 2 – 3x + 1

= x + 3

Step 2. Find ( f – g ) ( 2 ).

( f – g ) ( x ) = x + 3

( f – g ) ( 4 ) = (4) + 3

= 7

> hope this helps