Check the pictures below.
if we knew the roots/solutions of the equation, we can set h(s) = 0 and solve for "s" to find out how many seconds is it when the height is 0.
if you notice in the first picture, when f(x) = 0, is when the parabola hits a root/solution or the ground, for David he'll be hitting the water surface, and the equation that has both of those roots/solutions conspicuous is
h(s) = -4.9(s - 2)(s + 1).
3/4 = .75
4/7 = .57
the answer is : 3/4 > 4/7
Answer:

Step-by-step explanation:
Given


Required
Determine the average change
This is calculated as follows:

This gives:


Convert to improper fractions

Convert to multiplication




The Gcf is finding the greatest numbers the lcm is finding the least factor
and the are the same because your finding the common number> (means same number)
Answer:
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