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Hello Everyone, I just have one question to ask and I'd appreciate it if you could check my answer and tell me if I am correct or not. Thank you in advance. 

 

Here it goes:

The function f(x) varies directly with x and f(x)=250 when x=50.

What is f(x) when x=5?

 

Answer choices:

10

15

25<---My answer.

50

 Jan 11, 2019

Best Answer 

 #1
avatar+18324 
+1

f(x) = y = kx

        250 = k(50)      k = 5

           y = 5x

           y = 5(5) = 25             Yep, you have correct answer...

 Jan 11, 2019
 #1
avatar+18324 
+1
Best Answer

f(x) = y = kx

        250 = k(50)      k = 5

           y = 5x

           y = 5(5) = 25             Yep, you have correct answer...

ElectricPavlov Jan 11, 2019

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