SOLUTION: How does replacing f(x) by f(x) + 4 in y = f(x) affect the graph of y = f(x) ? a. The graph is shifted four units upward. b. The graph is shifted four units downward.

Question 50503: How does replacing f(x) by f(x) + 4 in y = f(x) affect the graph of y = f(x) ?
a. The graph is shifted four units upward.
b. The graph is shifted four units downward.
c. The graph is shifted four units to the right.
d. The graph is shifted four units to the left.
e. The graph is expanded vertically.
f. The graph is contracted vertically.
g. none of these describes the transfromation given
Answer by Nate(3500) (Show Source): You can put this solution on YOUR website!
For every value you get for , you increase that value by four, so you would vertically raise the graph by four units. Answer: a.
Proof(red): y = f(x)
Proof(green): y = f(x) + 4

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