Answer :
The correct function after reflection across the y-axis and shifts it 6 units up is,
⇒ h (x) = - 14x³ - 7x² + 12
What is Function?
A relation between a set of inputs having one output each is called a function.
We have to given that;
The function is,
⇒ f (x) = 14x³ - 7x² + 6
Now, After reflection across the y-axis we get;
⇒ f (x) = f (- x)
⇒ f (-x) = 14 (-x)³ - 7 (-x)² + 6
⇒ f (-x) = - 14x³ - 7x² + 6
And, After shifts it 6 units up, we get;
⇒ f (x) = f (x) + 6
Hence, We get the value of function is,
⇒ h (x) = - 14x³ - 7x² + 6 + 6
⇒ h (x) = - 14x³ - 7x² + 12
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Answer: there's no answer, the correct answer is f(x) = -14x3 + 7x2
Step-by-step explanation:
1. f(x) = 14x3 − 7x2 + 6
2. reflection over y-axis : f(x) = -14x3 + 7x2 - 6
3. shift 6 units up : f(x) = -14x3 + 7x2 - 6 + 6
4. f(x) = -14x3 + 7x2