An object was launched off the top of a building. The function f(x) = -16x² + 16x + 672 represents the height of the object above the ground,
in feet, X seconds after being launched. Find and interpret the given function values
and determine an appropriate domain for the function.

good luck!

cutie~

secant-secant formula:

(whole secant) x (external part) =           (whole secant) x (external part)

(8+y-2) *8=                                           (y+4+6) *6

(y+6)*8 = (y+10) *6

distribute

8y+48 = 6y +60

subtract 6y from each side

2y +48 = 60

subtract 48 from each side

2y = 12

divide by 2

y = 6

sv =     (y+4+6)

sv   = 6+4+6

sv = 16