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

right

step-by-step explanation:

step-by-step explanation:

use context clues to figure out the meaning of the bolded word:  

the sage gardener knew when she had to water her plants.  

question 8 options:

mint plant

wise

happy

lazy

b.

step-by-step explanation: