The graph below represents the solution set of which inequality? x2 – 2x – 8 0 x2 + 2x – 8 > 0
2 answers:
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Answer:
Therefore the maximum height that the reach is 49 feet after 1.75 seconds.
Step-by-step explanation:
Given that,
A ball is thrown vertically upward. After t seconds its height is given by the function
where h is height in feet.
Maximum value:
Given function f(x)= at²+bt+c.
- Find the value
- Putting
in the given function.
- The maximum value of the given function is
.
Here a= -16 , b=56 and c=0
The ball attains its maximum height when s.
Putting the value of t in the given function
=49 feet
Therefore the maximum height that the reach is 49 feet after 1.75 seconds.
Answer:
The number w is 4,000
Step-by-step explanation:
Let
w ------> the number
we know that
36 is 0.9% of number w
w represent the 100%
so
using proportion
Find out the number w
therefore
The number w is 4,000