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Agata [3.3K]
3 years ago
9

Help!!! Asap!! Will give out brainliest!! Need to explain how you did it please and thanks!! Just look at the picture attached!!

Thank you so much!!
9) Which piecewise function is shown on the graph?
8
[485 - 5, ICO
f(3) = 3 0 SI56
-- - 7, I>6
6
2
(-4e5 – 5, I<0
(*) = 3
03:36
|-+7 >6
.
>
2
-6
-3
(465 - 5, ICO
0 SI56
1-5+7,> 6
(ges + 5, sco
f(1) = 3
0 SI56
= + 7
I>6

Mathematics
1 answer:
Softa [21]3 years ago
4 0

9514 1404 393

Answer:

  C  f(x) = {4e^x -5, ..., -x +7, ...

Step-by-step explanation:

The easiest portion to check is the constant section in the interval [0, 6]. All of the function definitions agree on that, so that doesn't help choose the right answer.

__

Next easiest is the linear section at the right. It has a negative slope. Extension of the line to the y-axis shows it has a positive y-intercept. This eliminates choices A and D.

__

The horizontal asymptote of the exponential portion at the left is -5. Both of the remaining choices B and C agree on that. The exponential is increasing at an increasing rate, so its coefficient is positive. This eliminates choice B.

The appropriate description of the function on the graph is offered by choice C.

_____

The graph below plots the function. We note that the given graph seems to show the exponential curve incorrectly.

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In 2010, the population of a city was 241,000. From 2010 to 2015, the population grew by 5%. From 2015 to 2020, it fell by 4%. T
lawyer [7]

Answer:

242, 900 people

Step-by-step explanation:

To begin, it says that the population grew by 5%.

(241000)(1.00 + 0.05) = <em>population of the city in 2015</em>

(241000)(1.05) = 253050

253050 is the population of the city in 2015. From 2015 to 2020 it fell four percent.

(253050)(1.00 - 0.04) = <em>population of the city in 2020</em>

(253050)(0.96) = 242928

242928 is the exact population of the city. However, it says to round to the nearest hundred. Since 28 is less than 50, then it would round down to 900.

Therefore, the answer would be 242, 900 people.

4 0
2 years ago
write a mixed number in simplest form to represent the number of pounds equivalent to each number of ounces . 66 oz = blank lb
sergiy2304 [10]
The answer would probably be 4 1/8 lb
5 0
3 years ago
Find. What part of 40 is 16?
levacccp [35]

Answer:

40%

Step-by-step explanation:

because convert the fraction 16/40 and the answer is 40%

._.

8 0
3 years ago
If you do 12 minutes of a 45 minute workout how many calories is it? (the 45 minutes is 1000 calories in total)
velikii [3]

Answer:

266\frac{2}{3}

Step-by-step explanation:

if a 45 minute workout is 1000 calories, at the same rate, a 12 minute workout would be 266 calories and 2 thirds. \frac{12}{45} x 1000 = 266\frac{2}{3}

7 0
2 years ago
Find the average rate of change of the function f(x), represented by the graph, over the interval [0, 3]. Calculate the average
Over [174]

Answer:

[f(3) - f(0)]/(3-0)

[f(3) - f(0)]/3

7 0
3 years ago
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