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bekas [8.4K]
2 years ago
15

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.

Mathematics
1 answer:
Zigmanuir [339]2 years ago
7 0

Answer:

Shift 4 units down: g(x) = 2x - 10

Stretching f(x) by 4 : g(x) =8x - 24

Shift 4 units left:  g(x) = 2x - 14

Compress by 1/4 units : g(x)  = 8x - 6

Step-by-step explanation:

Given

f(x) = 2x - 6

Required

Match the transformations (See attachment)

<u>Shift 4 units down</u>

Shifting down a function is represented as:

g(x) = f(x) - b

In this case:

b = 4

Substitute expression for f(x) and 4 for b in g(x) = f(x) - b

g(x) = 2x - 6 - 4

g(x) = 2x - 10

<u>Stretching f(x) by 4 </u>

Stretching a function by some units is represented as:

g(x) =b.f(x)

In this case:

b = 4

Substitute expression for f(x) and 4 for b in g(x) =b.f(x)

g(x) =4 * (2x - 6)

g(x) =8x - 24

<u>Shift 4 units left</u>

Shifting a function to the left is represented as:

g(x) = f(x - b)

In this case:

b = 4

Substitute expression for f(x) and 4 for b in g(x) = f(x - b)

g(x) = f(x-4)

Calculating f(x - 4)

f(x) = 2x - 6

f(x - 4) = 2(x - 4) - 6

f(x - 4) = 2x - 8 - 6

f(x - 4) = 2x - 14

Hence:

g(x) = 2x - 14

<u>Compress by 1/4 units </u>

This means that the function is stretched by 1/\frac{1}{4}

Compressing a function is represented as:

g(x) =f(bx)

In this case:

b = 1/\frac{1}{4}

b = 1 * \frac{4}{1}

b = 4

Substitute expression for f(x) and 4 for b in g(x) =f(bx)

g(x) =f(4x)

Calculating f(4x)

f(4x) = 2(4x) - 6

f(4x) = 8x - 6

Hence:

g(x)  = 8x - 6

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