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KatRina [158]
3 years ago
10

Given the parent function f(x) = x², define the function g(x) that

Mathematics
2 answers:
kobusy [5.1K]3 years ago
8 0

Answer:

g(x) = -(x-4)².

Step-by-step explanation:

Given  : parent function f(x) = x², Reflection over the x-axis  , Horizontal shift left 3 units  and Vertical shift up 7 units.

To find : define the function g(x) .

Solution : We have given

Parent function f(x) = x²

By the reflection rule over x axis : f(x) →→ - f(x).

So,  f(x) = x² →→ - x².

By the translation rule : f(x) →→ →→ f(x+h-k).it mean function shifted horizontally to ward left. and vertically up by k units

Then it would be - x² →→ →→ - (x+3-7)².

f(x)→→ →→   g(x) = -(x-4)².

Therefore,  g(x) = -(x-4)².

Bas_tet [7]3 years ago
5 0

Answer:

Part 1) g(x)=-x^{2}

Part 2) g(x)=(x+3)^{2}

Part 3) g(x)=x^{2}+7

Step-by-step explanation:

we have

The parent  function is f(x)=x^{2}

This is a vertical parabola open upward with vertex at origin (0,0)

Part 1) Reflection over the x-axis

The rule of the reflection across the x=axis is equal to

(x,y) ------> (x,-y)

so

f(x) -----> g(x)

The function g(x) will be

g(x)=-x^{2}

Part 2) Horizontal shift left 3 units

The rule of the translation is

(x,y) ------> (x-3,-y)

so

f(x) -----> g(x)

The function g(x) will be

g(x)=(x+3)^{2}

Part 3) Vertical shift up 7 units

The rule of the translation is

(x,y) ------> (x,y+7)

so

f(x) -----> g(x)

The function g(x) will be

g(x)=x^{2}+7

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