A few days ago
If the point P (7, 9) is on the graph of a function f…?
find the corresponding point on the graph of the function
y=-3f(x-4)+9
Top 1 Answers
A few days ago
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If P(7, 9) is a point on: y = -3f(x – 4) + 9,
then the following is true:
-3f(7 – 4) + 9 = 9
=> -3f(3) + 9 = 9
Now we have to solve for f(3), (you’ll see why later)
-3f(3) + 9 = 9
=> -3f(3) = 0
=> f(3) = 0
Recall: y = f(x)
(In this case, when y = 0, x = 3)
Therefore, the “corresponding” point on the graph of
y = -3f(x – 4) + 9 is:
(3, 0).
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