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3 years ago

Pre college need help with this question

Mathematics

1 answer:

Lady_Fox [76]3 years ago

4 0

Answer:

the domain is {7,-4,1,4,}

the range is {1,-5,2,-7}

Step-by-step explanation:

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Oksi-84 [34.3K]

Answer: X=80 Y=10.5
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3 years ago

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3, 6, 4, 8, 6, 12 what are the next three numbers in this pattern

vlabodo [156]

10, 20, and 18.

The pattern is x2 -2, so that's how you get those.

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3 years ago

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633 divided by 3 using partían quotients

kvasek [131]

Answer:

it is 221

Step-by-step explanation:

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3 years ago

The population of a certain country in 1996 was 286 million people. In addition, the population of the country was growing at a

Fudgin [204]

Answer:

A) In 2004 the population will reach 306 million.

B) In 2033 the population will reach 386 million.

Step-by-step explanation:

Given : The population of a certain country in 1996 was 286 million people. In addition, the population of the country was growing at a rate of 0.8% per year. Assuming that this growth rate continues, the model $P(t) = 286(1.008 )^{t-1996}$ represents the population P (in millions of people) in year t.

To find : According to this model, when will the population of the country reach A. 306 million? B. 386 million?

Solution :

The model represent the population is $P(t) = 286(1.008 )^{t-1996}$

Where, P represents the population in million.

t represents the time.

A) When population P=306 million.

$306 = 286(1.008 )^{t-1996}$

$\frac{306}{286}=(1.008 )^{t-1996}$

$1.0699=(1.008 )^{t-1996}$

Taking log both side,

$\log(1.0699)=\log((1.008 )^{t-1996})$

$\log(1.0699)=(t-1996)\log(1.008)$

$\frac{\log(1.0699)}{\log(1.008)}=(t-1996)$

$8.479=t-1996$

$t=8.479+1996$

$t=2004.47$

$t\approx2004$

Therefore, In 2004 the population will reach 306 million.

B) When population P=386 million.

$386 = 286(1.008 )^{t-1996}$

$\frac{386}{286}=(1.008 )^{t-1996}$

$1.3496=(1.008 )^{t-1996}$

Taking log both side,

$\log(1.3496)=\log((1.008 )^{t-1996})$

$\log(1.3496)=(t-1996)\log(1.008)$

$\frac{\log(1.3496)}{\log(1.008)}=(t-1996)$

$37.625=t-1996$

$t=37.625+1996$

$t=2033.625$

$t\approx2033$

Therefore, In 2033 the population will reach 386 million.

6 0

3 years ago

Which inequality has the solution set shown in the graph?

Elis [28]

Answer: The correct option is c

Step-by-step explanation:

From the graph shown in the given figure, we need to find the equation of the line. We will use the slope intercept equation to get the equation if the line.

Formula for slope intercept equation is

y = mx + c

where m is the slope and c is the intercept.

Slope, m = (change in value of y) / (change in value of x)

Slope = (y2 -y1) / (x2 -x2)

From the graph,

y2 = 0, y1 = 2

x2 = 2, x1 = 0

Slope, m= (0-2) / (2-0) = -2/2 = -1

Intercept from the graph is the point at which the line cuts the y axis an it is 2

So the equation is

y = -x + 2

From the graph,

The upper region was shaded( which means the lower region satisfies the equation) and the line of the equation is broken. So the equation is y lesser than -x + 2

The correct option is c

5 0

3 years ago

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