Which of the following relations is a function ?
1 answer:
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For this case we have an equation of the form:
This equation in vertex form is:
where (h, k) is the vertex of the parabola.
We have the following function:
We look for the vertice.
For this, we derive the equation:
We equal zero and clear the value of x:
Substitute the value of x = -7 in the function:
Then, the vertice is:
Substituting values we have:
Answer:
The quadratic function in vertex form is:
This equation in vertex form is:
where (h, k) is the vertex of the parabola.
We have the following function:
We look for the vertice.
For this, we derive the equation:
We equal zero and clear the value of x:
Substitute the value of x = -7 in the function:
Then, the vertice is:
Substituting values we have:
Answer:
The quadratic function in vertex form is: