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IgorLugansk [536]
3 years ago
11

Which graph represents the function f(x)=4⋅3x ? Please help!!!

Mathematics
1 answer:
S_A_V [24]3 years ago
6 0

Answer:

Option D is correct.

Step-by-step explanation:

An exponential function is in the form of y =ab^x where a is the initial value and b≠ 0 , b >1 .

Given: The function f(x) = y = 4 \cdot 3^x           ......[1]

The domain is all real numbers and the range is y > 0.

y-intercept defined as the graph crosses the y-axis.

Substitute the value of x= 0 in [1] to solve for y;

y = 4 \cdot 3^0  = 4

y-intercept = (0, 4)

End behavior:

when b =3 >1

then;

as x \rightarrow \infty , f(x)\rightarrow \infty

as  x \rightarrow -\infty , f(x)\rightarrow 0

therefore, the only graph which represents the function y = 4 \cdot 3^x   is Option D



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You can buy 5 items for $10, how much will it cost for 8 items?
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Answer:

$16

Step-by-step explanation:

Looking at the Price for 5 Items (10 dollars), That means the Price Per Item Is 2 dollars. Now we know the Cost per Item, We need to multiply the Cost per item by 8 (2*8) making it 16.

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PLEASE HELP I WILL MAKE YOU THE BRAINLEST
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Answer:

50.3

Step-by-step explanation:

Volume = pi * h * r^2   *** Diameter = 2 * radius

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3 years ago
a medication prescription states 1/4 tablet twice a day per 20kg the peson weight is 211 pounds. how many tablets should be take
Black_prince [1.1K]
<h2>Hello!</h2>

The answer is: 1.187 tablets each time (twice a day)

<h2>Why?</h2>

From the statement we know that 0.25 tablet (1/4) should be taken twice a day per 20 kg, it makes 0.5 table a day, per 20 kg.

First, we need to convert the given weight unit (pounds) to kg:

1 Pound=0.45Kg

So,

211Pounds*\frac{0.45Kg}{1Pound}= 94.95Kg=95Kg

A weight of 95 Kg, means 4.75 times more than the given information of 0.5 table a day, per 20 Kg

\frac{95Kg}{20Kg}=4.75

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4.75*(0.5)=2.375

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For a weight of 95 Kg,  2.375  tablets should be taken a day, or 1.187  tablets each time.

Have a nice day!

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Malcolm took 18 minutes to do 15 math problems. Diedra took 17 minutes to do 16 math problems. Which student did more problems p
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The student that did more maths problems per minute is Diedra.

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Rate = total questions / total time

Malcolm = 15 / 18 = 0.833 problems per minute

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To learn more about rate, please check: brainly.com/question/9834403

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