Find ( g ∘ f ) ( 3 ) ( g \circ f ) ( 3 ) ( g ∘ f ) ( 3 ) where f ( x ) = 5 x + 2 f ( x ) = 5 x + 2 f ( x ) = 5 x + 2 and g ( x ) = x − 5 g ( x ) = x - 5 g ( x ) = x − 5 .A) 12B) 15C) -28D) -8E) -34

Question

Find   ( g ∘ f )  ( 3 )  ( g \circ f )  ( 3 )  ( g ∘ f )  ( 3 )    where   f ( x )  = 5 x + 2 f ( x )  = 5 x + 2 f ( x )  = 5 x + 2   and   g ( x )  = x − 5 g ( x )  = x - 5 g ( x )  = x − 5   .A) 12B) 15C) -28D) -8E) -34

Debbi Hinderliter · Accepted Answer

Final Answer : A, Explanation :   First, find   f ( 3 ) = 5 ( 3 ) + 2 = 15 + 2 = 17 f(3) = 5(3) + 2 = 15 + 2 = 17 f ( 3 ) = 5 ( 3 ) + 2 = 15 + 2 = 17  . Then, apply   g g g   to this result:   g ( 17 ) = 17 − 5 = 12 g(17) = 17 - 5 = 12 g ( 17 ) = 17 − 5 = 12  .

Find $\circ f ) ( 3 )$ where $f (x) = 5 x + 2$ and $g (x) = x - 5$ .

A) 12
B) 15
C) -28
D) -8
E) -34

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Learning Objectives

Learning Objectives

Related questions

Find (g∘f) (3) ( g \circ f ) ( 3 ) (g∘f) (3) where f(x) =5x+2f ( x ) = 5 x + 2f(x) =5x+2 and g(x) =x−5g ( x ) = x - 5g(x) =x−5 .A) 12B) 15C) -28D) -8E) -34

Definitions

Learning Objectives

Learning Objectives

Related questions

Find $\circ f ) ( 3 )$ where $f (x) = 5 x + 2$ and $g (x) = x - 5$ .

A) 12
B) 15
C) -28
D) -8
E) -34