Evaluate f(11)if $$f ( x ) = \frac { | x | } { x }$$ .
A)f(11)= -1
B)f(11)= 2
C)f(11)= 0
D)f(11)= 1
E)f(11)= 3

Name: Evaluate f(11)if \[f ( x ) = \frac { | x | } { x }\] . A)f(11)= -1 B)f(11)= 2 C)f(11)= 0 D)f(11)= 1 E)f(11)= 3
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Question

Evaluate f(11)if $$f ( x ) = \frac { | x | } { x }$$ . 
A)f(11)= -1
B)f(11)= 2
C)f(11)= 0
D)f(11)= 1
E)f(11)= 3

Quizplus · Accepted Answer

The function $f(x) = \frac{|x|}{x}$ evaluates the sign of $x$. For $x > 0$, $|x| = x$, so $f(x) = 1$. Since 11 is positive, $f(11) = 1$.

Evaluate F(11)if f(x)=∣x∣xf ( x ) = \frac { | x | } { x }f(x)=x∣x∣​

Evaluate F(11)if $f ( x ) = \frac { | x | } { x }$