−6⋅f(3)−6⋅g(−1)= Try to give an answer that's suitable for Khan Academy, thank you.
1 answer:
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Answers:
<h2>7. 12</h2><h2>8. -√18</h2><h2>9. √220</h2>Step-by-step explanation:
To find out which is greater, we must eliminate the radical symbol.
#7
= 9.38083151965
9.4 < 12
#8
= -4.24264068712
-4.2 > -6
#9
= 14.8323969742
14.5 < 14.8
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NASA launches a rocket at t = 0 seconds. Its height, in meters above sea-level, as a function of time is given by
The sea level is represented by h = 0, therefore, to find the corresponding time when h splashes into the ocean we have to solve for t the following equation:
Using the quadratic formula, the solution for our problem is
The rocket splashes after 26.845 seconds.
The maximum of this function happens at the root of the derivative. Differentiating our function, we have
The root is
Then, the maximum height is
1029.99 meters above sea level.
Answer:
The absolute minimum value is "" and the absolute maximum value is "
".
Step-by-step explanation:
Given:
on,
By differentiating it, we get
⇒
Set
then,
⇒
(Critical point)
When x=0,
⇒
When ,
⇒ (Absolute minimum)
When
⇒ (Absolute maximum)