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Function g is defined as g(x)=kf(x). What is the value of k?​

Function g is defined as g(x)=kf(x). What is the value of k?​-example-1
User PlugInBoy
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2 Answers

1 vote

Answer:

K = 2

Explanation:

I just took a test with this question on it and got it right.

Hope this helps! :)

User Jay Atkinson
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4 votes

Answer: k = 2

Pick an x value like x = 2

Note that f(2) = 1 and g(2) = 2. This shows we've doubled the f(x) value to get g(x). Therefore k = 2.

Or you could pick on x = 4 to see f(4) = 2 and g(4) = 4. The output of f(x) has been doubled as well.

It doesn't matter what x is since we'll have this doubling effect go on. I recommend picking x values where the points on the blue graph land perfectly on a grid location. Something like x = 5 seems a bit tricky.

User Titanofold
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