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Ira Lisetskai [31]
3 years ago
13

2 questions: 1. what's The answer to the rest of this problem. 2. WHERE DID THE 2 COME FROM at the bottom

Mathematics
1 answer:
nadezda [96]3 years ago
7 0
The actual answer is 66. The fill-in to the left of the 2 is 64. 2 is what you get when you find 1/9 of 16. HTH
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1. A ball's position, in meters, as it travels every second is represented by the position function s(t) = 4.9t2+ 450.
bezimeni [28]
1) The ball's position is described by:
s(t) = 4.9t² + 450
We want to find the velocity, which is the 1st-order derivative of the displacement function (I assume this is an introductory calculus class)
s'(t) = v(t) = 9.8t           
We get this by multiplying 4.9 x 2 and reducing the exponent by 1. Now we simply plug 5 in for t.
v(5) = 9.8* 5
v(5) = 49m/s

2) Our cost function is C(x) = x² - 10,000
To find the average rate of change between these units, we use this formula:
( C(101) - C(100) ) ÷1 .
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C(101) = 101² - 10,000
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C(100) = 100² - 10,000
C(100= 0

C(101) - C(100) = 201 
Average rate of change in cost is 201 dollars/ unit between the two points. 
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Step-by-step explanation:


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