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3 years ago

Determine if each table shown below represents a function or not ?

Mathematics

2 answers:

Sladkaya [172]3 years ago

6 0

Answer: neither of the examples are functions

Step-by-step explanation:

To be a function, every x-value must be associated to only one y-value. In the first table x= 5 maps to TWO y values.

In the second table, x=7 maps to TWO y values

yarga [219]3 years ago

5 0

Neither of them are functions. Functions cannot have two of the same numbers in the x value, and since the first table has two 5s in the x column and the second table has two 7s, neither of them can be functions.

Hope this helps :)

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In 2000, the population of Big Springs was 13 thousand. Use the given doubling

trasher [3.6K]

Answer:

The answer is "26179.4".

Step-by-step explanation:

Assume year 2000 as t, that is t =0.

Formula:

$A= A_0e^{rt}$

Where,

$A_0 = \ initial \ pop \\\\r= \ rate \ in \ decimal \\\\t= \ time \ in \ year$

for doubling time,

$r = \frac{log (2)}{t} \\$

$r = \frac{\log (2)}{ 40} \\\\r= \frac{0.301}{40}\\\\r= 0.007$

Given value:

$A = A_0e^{rt} \\\\$

$A_0 = 13000$

$t= 40 \ years$

when year is 2000, t=0 so, year is 2100 year as t = 100.

$A = 13000 \times e^{et}\\\\A = 13000 \times e^{e \times t}\\\\A = 13000 \times e^{0.007 \times 100}\\\\A = 13000 \times e^{0.7}\\\\A= 13000\times 2.0138\\\\A = 26179.4$

7 0

3 years ago

What is the pressure in atmospheres exerted by a 0.500 mole sample of nitrogen gas in a 10.0 L container at 25.0°C?

drek231 [11]

Answer:

1.2218 atm

Step-by-step explanation:

From ideal gas formula,

PV=nRT

Where n= number of moles

V= volume

T= temperature=25.0°C

= (273 + 25) = 298 K

R= gas constant = 0.082 l atm /K mol.

Making P subject of formula we have

P= [nRT] /V

Then substitute the values we have

P= [0.5 x 0.082 x 298] / 10

P= 1.2218 atm

6 0

3 years ago

Brainlyst for best answer with work shown

wlad13 [49]

Answer:

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Step-by-step explanation:

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3 years ago

Risniel has 7 dogs. Danishka has 2 dogs. How many more dogs does Danishka have than Risniel?

alukav5142 [94]

14 beacause your multiplying 7x2 wich is 14

5 0

3 years ago

Read 2 more answers

The balance in Jake's checking account is $45.55. What would happen if he wrote three checks for $20.00 each?

mrs_skeptik [129]

Answer:

Iam not sure but i think its -14.45$

Step-by-step explanation:

45.55-20-20-20

7 0

2 years ago