Question 144117
Let R(x) = x^2 - 7/x^2 + 1; what happens to R(x) if we now have R(x+2)? 
a. It shifts 2 units to the left
b. It shifts 2 units up
c. It shifts 2 units to the right
d. It remains stationary; there is no effect of adding 2 to x 
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Answer:  a
Cheers,
Stan H.