Derive the equation of the parabola with a focus at (2, −1) and a directrix of y = −one half. (urgent {25 points})

a f(x) = −(x + 2)2 − three fourths
b f(x) = (x + 2)2 + three fourths
c f(x) = −(x − 2)2 + three fourths
d f(x) = −(x − 2)2 − three fourths

answer: hey there,

the answer you are looking for is a..

hope this you!

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

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step-by-step explanation:

a

step-by-step explanation: