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Identify the graph of f(x) as defined. 

A) 

 

 

B)

 

 

C)

D)

 Nov 7, 2014

Best Answer 

 #2
avatar+118723 
+10

I am going to do it by elimination.

D is incorrect because the end points are not x=5

A is wrong because when x<5 the gradient is positive.

When x=5 the open cirlce is  3*5+2=17 and the closed circle is -3*5-5=-17   So it can't be C

So if any are right it will have to be B   :)))

 Nov 8, 2014
 #1
avatar+130511 
+5

"B" is correct......

 

 Nov 7, 2014
 #2
avatar+118723 
+10
Best Answer

I am going to do it by elimination.

D is incorrect because the end points are not x=5

A is wrong because when x<5 the gradient is positive.

When x=5 the open cirlce is  3*5+2=17 and the closed circle is -3*5-5=-17   So it can't be C

So if any are right it will have to be B   :)))

Melody Nov 8, 2014

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