A which describes how the graph of f can be obtained from


Let (x) = 2   + 1.

Answers can be stated without additional work/explanation.

(a) Which describes how the graph of f can be obtained from the graph of y = ex ?   Choice: ________

A. Stretch the graph of y = x vertically by a factor of 2, and then shift upward by 1 unit.

B. Shift the graph of y = x upward by 1 unit, and then stretch vertically by a factor of 2.

C. Shift the graph of y = x to the left by 2 units, and then shift upward by 1 unit.

D. Shift the graph of y = x to the right by 2 units, and then shift upward by 1 unit.

(b) What is the y-intercept?  

(c) What is the domain of ?

(d) What is the range of 

(e) What is the horizontal asymptote?

(f) graph of ?

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