The vertex of this parabola is at (5, -4). which of the following could be its equation?

a.
y = 2(x - 5)2 - 4

b.
y = 2(x + 5)2 - 4

c.
y = 2(x + 5)2 + 4

d.
y = 2(x - 5)2 + 4

The equation y= -16t^2+120 can be used to represent the fridge height above the ground where ti represents time in seconds after she threw the apple how long does it take the apple to hit the ground running your

Multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date