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klio [65]
4 years ago
15

Which points are on the graph of ƒ(x) = 2(0.5)^x

Mathematics
1 answer:
Slav-nsk [51]4 years ago
5 0
<span> <span><span> x           y=2*(0.5)^x

 </span><span>-10       2048 </span> <span>
-9          1024
</span> <span> -8            512 </span> <span>
-7            256 </span> <span>
-6            128
</span> <span> -5              64
</span> <span> -4              32 </span> <span>
-3              16
 </span><span>-2               8 </span> <span>
-1                4 </span> <span>
0                 2 </span> <span>
1                1 </span> <span>
2                0.5 </span> <span>
3                0.25
</span> <span> 4                0.125 </span> <span>
5                0.0625 </span> <span>
6                0.03125 </span> <span>
7                0.015625
</span> <span> 8                0.0078125 </span> <span>
9                0.00390625
</span> <span> 10              0.00195313

As x goes to negative infinity the function grows to infinity.

As x grows to infinity the function decreases an approximate to zero. </span></span></span>
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Kristen can run at 15 km/h and walk at 5 km/h. She complete for a 42 km marathon in 4 hours. What distance did Kristen run durin
maksim [4K]
Let x be the time she ran and y be the time she walked 

then distance ran =  25x and distance walked = 5y 

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* second equn. by -5:-

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add this to the first equn:0

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6 0
3 years ago
NO LINKS OR ASSESSMENT!!!
mote1985 [20]

Domain = set of input value

Range = set of output values

<h3>#1</h3>
  • Domain: -2 < x ≤ 2 or (-2, 2]
  • Range:    -4 < y ≤ 4 or (-4, 4]
<h3>#2</h3>
  • Domain: -5 ≤ x ≤ 1 or [-5, 1]
  • Range:    -1 ≤ y ≤ 5 or [-1, 5]
<h3>#3</h3>
  • Domain: -4 < x < 4 or  (-4, 4)
  • Range:    -1 ≤ y < 3 or  [-1, 3)
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If there is 5/8 of a total fuel supply on board, the ship can make 6 round trips

<u>Solution:</u>

Let the number of the round trips the ships make be "n"

Now, according to question in one trip the ship consumes \frac{1}{6} of its total fuel supply which is given to be \frac{5}{8}

Fuel supply used in "1" trip = \frac{1}{6} \times \frac{5}{8}

Now fuel supply used for "n" trip is given as:

n \times \frac{1}{6} \times \frac{5}{8}=\frac{5}{8}

n = 6

Hence the ship can make 6 round trips

7 0
3 years ago
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