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34kurt
3 years ago
14

PLEASE HELP EXTRA POINTS / WRONG ANSWERS WILL BE REPORTED

Mathematics
1 answer:
timofeeve [1]3 years ago
5 0

Q1. The limit from the right is -4. (The limit from the left, and the value of f(3) are different, but that doesn't matter for the question asked. Taken together, they mean that the limit as x approaches 3 does not exist. But that is not the question asked.)


Q2. f(x) = 4/x.

f'(x) = -4/x^2, so f'(2) = -4/2^2 = -1.


Q3. Since the denominator is zero at x=7, the only answer choice that makes any sense is the first one:

-∞; x = 7

It also happens to be the right one.

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The volume of given cube is: 4.29 * 10^{-5} cubic meters

Step-by-step explanation:

Volume of a cube is given by:

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V = (3.5*10^{-2})^3\\V = 42.875 * (10^{-2})^3\\V = 42.9 * 10 ^{-2*3}\\V = 42.9 * 10^{-6}\\V = 4.29 * 10 * 10 ^{-6}\\V = 4.29 * 10^{-5}\ cubic\ meters

The volume of given cube is: 4.29 * 10^{-5} cubic meters

Keywords: Volume, cube, scientific notation

Learn more about scientific notation at:

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