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goblinko [34]
3 years ago
15

WILL GIVE BRAINLIEST!!!

Mathematics
1 answer:
REY [17]3 years ago
8 0

\boxed{g(x)=3^{x-2}-1}

<h2>Explanation:</h2>

We can write the graph of g(x) as:

g(x)=3^{x+c}+k

Where:

c:Represents \ an \ horizontal \ shift \\ \\ k:Represents \ a \ vertical \ shift

From the graph (2, 0) and (3, 2) are points that line on the graph, therefore:

For \ (2,0): \\ \\ 0=3^{2+c}+k \\ \\ k=-3^23^c \\ \\ \\ For \ (3,2): \\ \\ 2=3^{3+c}+k \\ \\ k=2-3^33^c

Equating k:

-3^23^c=2-3^33^c \\ \\ Solving \ for \ c: \\ \\ 3^33^c-3^23^c=2 \\ \\ 3^c(3^3-3^2)=2 \\ \\ 3^c(18)=2 \\ \\ 3^c=\frac{1}{9} \\ \\ 3^c=\frac{1}{3^2} \\ \\ 3^c=3^{-2} \\ \\ So, \ by \ property: \\ \\ a^x=a^y \ then \ x=y \\ \\ \\ So: \\ \\ c=-2

Solving for k:

k=-3^23^c \\ \\ k=-3^23^{-2} \\ \\ k=-3^{2-2} \\ \\ k=-3^{0} \\ \\ k=1

Finally, our equation is:

\boxed{g(x)=3^{x-2}-1}

<h2>Learn more:</h2>

Even functions: brainly.com/question/11309886

#LearnWithBrainly

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Find x. Give reasons to justify your solution. b Lines AB and CD are straight lines.
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When the same whole number is added to both the numerator and denominator of $\frac{2}{5}$, the value of the new fraction is $\f
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A’s DJ service charges a $200 setup fee and $75 an hour after that.
Bogdan [553]

The total cost includes the setup cost + per hour cost.

Let, x represents the time and y represents the total cost.

y=200+75x .... (1)

Let Y represent the cost for B's DJ service.

y=125x .... (2)

a. Graphing both the equations give the intersection point (solution) as (4,500)

It means for 4 hours, the total cost of both the DJ's is same at $500.

b. Substitution Method.

Plug y = 125x in equation (1)

125x= 200+75x

125x-75x=200

50x=200

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y=125\times 4 =500

Hence, the total cost for 4 hours in both the service is $500.

c. Addition method.

Multiply equation (2) by -1

-y = -125x.... Equation (3).

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y=200+(75\times 6) =650

For x= 6, equation (2)

y=125\times 6=750

For 6 hours, DJ A would be  better option since it charges $650 for 6 hours.



8 0
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