Ali is sledding down a hill the graph shows her elevation as she sleds down the hill.

Mathematics

2 answers:

iragen [17]3 years ago

5 0

Answer:

The steepness of the hill is a function of the speed of the sled.

Hope this helps :)

jeka943 years ago

4 0

The steeper the hill the faster it goes! I hope this helped!! <3

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dexar [7]

Answer:

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3 years ago

Which of the following exponential regression equations best fits the data shown below

Art [367]

Answer:

(D) $8.46\cdot 3.51^x$

Step-by-step explanation:

One could run this on a computer and verify the best fit through brute force. The more elegant way is, as usual, to think: What are special values of x for an exponential function? Zero, for starters - anything to the power of zero is 1. The function value for x=0 in the table is 10. Which choices A through D are close to 10 for x=0? Well, (C) and (D), the rest is too far. Next, what is the function value for the next easy one, x=1? The table says 30. Which of (C) and (D) is close to 30 for x = 1. It turns out we can safely exclude (C) because 10.84*1.77 is about 19 and that's way too far from 30. Let's check (D): 8.46*3.51=29.7 - that's quite close. Since there is no other candidate left, I bet my money on (D). Feel free to verify closeness for the other values of x if you are unconvinced yet.

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3 years ago

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Naily [24]

Distribute the six: 6y+6x

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3 years ago

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STatiana [176]

To find the derivative, you must use the chain rule.

If u=x^3+2x:
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So dy/dx=
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PIT_PIT [208]

Answer:

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