Answer:
Step-by-step explanation:
The given relation is
where is the portion of walkway in which the person walks
Rearranging the equation we get
The length of the portion of the walkway labeled is
.
What is the area of a triangle with a base of five units and a height of 15 units
1 answer:
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Answer:
D. Up
Step-by-step explanation:
When a parabola has the form , It is vertical (opens up or down).
Because the variable "x" is squared.
If "a" is positive, then the parabola opens up, but if it is negative, then the parabola opens down.
In this case you have the quadratic function:
Which can be rewritten as:
Therefore, it is vertical, because it has the form:
You can observe that the value of "a" is:
Then, since "a" is positive, the parabola opens up.