Question

A golf ball is hit and its height is given by the equation h=29.4t - 4.9t^2, where t is the time elapsed, in seconds, and h is the height in metres.

Answer 1

a) Write an equation in function notation to represent the height of the ball as a function of time

b) State the degree of this function and whether the function is linear or quadratic.

c) Use difference tables to confirm your answer in part (b)

d) Graph the function where {tER | t > 0}

e) At what time(s) is the ball at its greatest height? Express the height of the ball at this time in function notation

f) At what time (s) is the ball on the ground? Express the height of the ball att this time in function notation

Answer 2

Hi

Answer 3

Hi, can you please help me with this question?

Answer 4

@diamondboy ^

Answer 5

I think some could be done

Answer 6

how far have u gone?

Answer 7

Lets start from the very last question (f)

Answer 8

What is the height when it touches the ground

Answer 9

I haven't started it because i don't understand what to do...
Why can't we start from part a) ?

Answer 10

And go in order?

Answer 11

ok...Lets start with a)

Answer 12

Do you understand how that happened