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antoniya [11.8K]
3 years ago
12

A line can be defined in general form by the equation

Mathematics
1 answer:
Sveta_85 [38]3 years ago
6 0
I am pritty shure i dont know
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What is the exponential function that best models the number of gnats the scientists have gathered after the number of hours lis
Serjik [45]

Answer:

Option A

f(x) = 12.5(1.6)^x

Step-by-step explanation:

The number of gnats the scientists have gathered

At 0 hours, they gathered 12 gnats.

Checking all the options, applying x = 0 makes the index part become 1 (Anything raised to the power zero is 1).

So, we have the following functions

f(x) = 12.5

f(x) = 12.6

f(x) = 6.2

f(x) = 1.6

This has reduced our work, as we can screen out options C and D, they are too far from 12. This leaves us with option A and B.

At 1 hour, they gathered 20 gnats.

Checking options A and B

A. f(x) = 12.5(1.6)

= 20

B. f(x) = 12.6(6.2)

By inspection, 12 × 6 is already 72,

12.6 × 6.2 will be more.

By these, we can conclude that f(x) = 12.5(1.6)^x has the best models the number of gnats the scientists have gathered after the number of hours listed in the given table.

5 0
3 years ago
Find the solution set. |x|= 9<br> A. { }<br> B. {-3 , 3}<br> C. { -9, 9}<br> D. {-81, 81}
Ierofanga [76]

Answer:

C. { -9, 9}

Step-by-step explanation:

An absolute value equation has 2 solutions, a positive and a negative

|x|= 9

x= +9  and x = -9

4 0
3 years ago
Read 2 more answers
Can you please help me on 2,3,4, and 5? I will mark the brainliest plus 12 points for answering.
Marianna [84]

Answer:

2) Exact

3) Exact

4) Exact

5) Approximation

Step-by-step explanation:

8 0
2 years ago
HELP!!!!! I AM DESPERATE!!!!!
vfiekz [6]

Answer:

1. Linear

2. Linear

3. Non-Linear

4. Non-Linear

5. Linear

6. Non-Linear

7. Linear

8. Non-Linear

9. Linear

The code should be LLNNLNLNL

4 0
3 years ago
Read 2 more answers
64, –48, 36, –27, ...
frozen [14]
The only formula that can be used to describe the sequence is definitely the third one f(x + 1) = -3/4 f(x). So count like that64* -\frac{3}{4}  = -48&#10;48* -\frac{3}{4} = 36 and so on. You can check others by yourself to check if I'm right or not.
4 0
3 years ago
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