Question

Only one more question after these two (:
if an object is dropped from a height of 85 feet, the function h(t)=-16t^2+85 gives the height of the object after t seconds. Approximately, when will the object hit the ground?
A. 85.00 s
B. 69.00 s
C. 0.33 s
D. 2.30 s

Which kind of function best models the data in the table? use differences or ratios.
https://www.connexus.com/content/media/913045-7162013-35118-PM-1086182696.png
A. linear
B. quadratic
C. exponential
D. none of the above

Answer 1

Use the graph of f(x) to find the solutions to the equation of f(x)=0
https://www.connexus.com/content/media/913045-7162013-121606-PM-1992077356.png
A. two solutions: x=6,-2
B. two solutions: x=-6,2
C. one solution: x=-12
D. no solution

Answer 2

1.)www.sosmath.com/calculus/geoser/bounce/bounce.html‎
2.)just going with a gut feeling D.
3.)www.math.sc.edu/~brownka5/solutions1.pdf‎

Answer 3

The first question is
***
if an object is dropped from a height of 85 feet, the function h(t)=-16t^2+85 gives the height of the object after t seconds.
***

any idea how high off the ground the object will be when it hits the ground ?

Answer 4

@phi can help you better.. I'm lost at this stuff.. I'm sorry >.<

Answer 5

@phi yeah I have no clue:/

Answer 6

@xxraider365 <3

Answer 7

which one

Answer 8

I cant figure any of them out.

Answer 9

what math are u in

Answer 10

algebra 1 hahah. :( I'm not smart lol

Answer 11

its alright

Answer 12

ok :P

Answer 13

b
d

Answer 14

for which ones?

Answer 15

1.b
2.d

Answer 16

thanks (:

Answer 17

np