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Which of the following sentences uses the present perfect correctly?
Los novios estaban nadando en la piscina.
Los novios han nadando en la piscina.
Los novios han nadado en la piscina.
Los novios han nadados en la piscina

because they could drop even lower..

i think the answer is true

step-by-step explanation:

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex