The cost of manufacturing x refrigerators is given by the function
f(x) = 2x^2 + 6000. If the cost doubles for the year 2011 owing to higher raw material prices, which transformation will result in the graph of f(x)?

A. reflection
B. vertical stretch
C. vertical shrink
D. horizontal shrink
E. horizontal stretch

Question

The cost of manufacturing x refrigerators is given by the function
f(x) = 2x^2 + 6000. If the cost doubles for the year 2011 owing to higher raw material prices, which transformation will result in the graph of f(x)?

A. reflection
B. vertical stretch
C. vertical shrink
D. horizontal shrink
E. horizontal stretch

anonymous · Answer

any idea on how to do it??

anonymous · Answer

@tkhunny

tkhunny · Answer

This one requires only thinking!  Well, and some definitions...

Definitely NOT a Reflection.
Definitely NOT anything Horizontal.

anonymous · Answer

so its vertical stretch bc it doubles right?

tkhunny · Answer

That would be the only reasonable choice.