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3 years ago

If you vertically stretch the exponential function, f(x)=2^x, by a factor of 4, what is the equation of the new function?

Mathematics

2 answers:

LiRa [457]3 years ago

7 0

Answer:

f(x)=4(2)ˣ

Step-by-step explanation: to vertically strech a function by a factor of c, multiply the whole function by x

Alex777 [14]3 years ago

3 0

Answer:

g(x) = 4*2^x

Step-by-step explanation:

Stretching this expo function by a factor of 4 is equivalent to multiplying the original function by 4: g(x) = 4*2^x.

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Solve the system of equations by graphing where f(x)=5-2x and g(x)=(2/3)x-2. What is the value of x? 0 1 2 3 4

vfiekz [6]

Answer:

The graph is uploaded in the attachment.

The value of x is 2.625.

Step-by-step explanation:

let us plot f(x), g(x) on y-axis

so, f(x)=y and g(x)=y.

the first equation can be written as y=5-2x

the general equation of a straight is y=mx+c

( where m is the slope and c is the y-intercept )

now comparing given equation with the general equation mentioned above, the slope of first line is -2 and its y-intercept is 5

the slope of second equation i.e, y=(2/3)x-2 is 2/3 and its y-intercept is -2.

now plot the graph using above information.

(y-intercept is the the coordinate of a point where the line intersects y-axis)

(slope is the angle made by the line with the x-axis)

by seeing the graph, the value of x is 2.625.

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3 years ago

Joey has 30 model airplanes to paint. He has painted 18 models so far.

mixas84 [53]

Answer:

The answer is D, 60%.

Step-by-step explanation: How I did it is 100/30 then times that answer by 18.

8 0

3 years ago

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Paula walks 1/12 mile in 5/3 minutes. What rate is equivalent to the rate she walked?

mel-nik [20]

The rate that is equivalent to the rate Paula walked is 1/20 mile/minute OR 0.05 mile/minute

<h3>Calculating Rate </h3>

From the question, we are to determine the rate which is equivalent to the rate Paula walked

Using the formula,

$Rate = \frac{Distance}{Time}$

From the given information,

Distance = 1/12 mile

Time = 5/3 minutes

Putting the parameters into the formula, we get

$Rate =\frac{\frac{1}{12} }{\frac{5}{3} }$

$Rate = \frac{1}{12} \div \frac{5}{3}$

$Rate = \frac{1}{12} \times \frac{3}{5}$

$Rate = \frac{3}{60}$

$Rate = \frac{1}{20}$ mile/minute

Hence, the rate that is equivalent to the rate Paula walked is 1/20 mile/minute OR 0.05 mile/minute

Learn more on Calculating Rate here: brainly.com/question/21208007

#SPJ 1

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2 years ago

ASAP PLZZ Helllllpppp!!!! Figure N is the result of a transformation on Figure M. Which transformation would accomplish this?

horrorfan [7]

Answer:

Step-by-step explanation:

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3 years ago

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Keelah's clothing store buys coats for $50 and then sells them for $80 .what is the percent of mark up on the price of the coat

meriva

I would say 10% but I'm not really sure

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