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krok68 [10]
3 years ago
12

Choose the function that shows the correct transformation of the quadratic function shifted eight units to the left and one unit

down. A. f(x)=(x-8)^2-1 B. f(x)=(x-8)^2+1 C. f(x)=(x+8)^2-1 D. f(x)=(x+8)^2+1
Mathematics
1 answer:
Lina20 [59]3 years ago
7 0

Answer:

The answer is. C. f(x)=(x+8)^2-1

Step-by-step explanation:

If we have a function f(x) then we can move its graph horizontally making the transformation y = f(x + c)

Then if c> 0 the graph will move c units to the left.

If c the graph will move c units to the right.

If we apply the transformation y = f(x) + h then the graph of f(x) will move vertically h units.

If h> 0 the displacement will be h units up

If h the displacement will be h units down.

In this problem we have the parent function y = x ^ 2 and we want to move 8 units to the left and 1 unit to the bottom.

Then we apply the transformations described above with c = 8.

y = f(x + 8) = (x + 8) ^ 2

Now we must move the function 1 unit down, with h = -1.

y = f(x + 8) -1 = (x + 8) ^ 2 -1

f(x)= (x + 8) ^ 2 -1

The correct answer is option C

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