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Maksim231197 [3]
2 years ago
13

If f(1) = 9 and f(n) = -4f(n-1) + 4 then find the value of f(3).

Mathematics
1 answer:
Novay_Z [31]2 years ago
4 0

Answer:

132

Step-by-step explanation:

f(1) = 9

f(n) = -4f(n-1) + 4

Let n = 2

f(2) = -4f(2-1) + 4 = -4 f(1) +4 = -4(9) +4 = -36+4 = -32

Let n = 3

f(3) = -4f(2-1) + 4 =-4f(2)+4 =  -4 (-32) +4 = 128+4=132

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Answer is 3*10^2 for 300
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3 years ago
F(x)=-3x+21,find x when f(x)=6
balu736 [363]

Answer:

x=5

Step-by-step explanation:

F(x)=-3x+21,

f(x)=6 = -3x+21

6 = -3x+21

Subtract 21 from each side

6-21 = -3x+21-21

-15 = -3x

Divide each side by -3

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3 years ago
in 2012 in costed $0.55 per mile to drive a sedan. How much would it cost if you drove it 13,000 miles
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Answer:

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Step-by-step explanation:

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3 years ago
Read 2 more answers
Graph the function.<br><br> f(x)=cos(x)−3
Lemur [1.5K]

See attachment for the graph of the function f(x) = cos(x) - 3

<h3>How to graph the function?</h3>

The equation of the cosine function is given as:

f(x) = cos(x) - 3

The above function is a cosine function, and the parent function of the cosine function is

f(x) = cos(x)

This means that the function f(x) = cos(x) is translated 3 units down to get the function f(x) = cos(x) -3

Next, we plot the graph of the function f(x) = cos(x) - 3

See attachment for the graph of the function f(x) = cos(x) - 3

Read more about cosine functions at:

brainly.com/question/17075439

#SPJ1

5 0
2 years ago
A) x = 8 <br>B) x = 9<br>C) x = 10<br>D) x = 9.3
wlad13 [49]

A

Since T is the midpoint of PQ then PT = TQ, hence

6x + 4 = 52 ( subtract 4 from both sides )

6x = 48 ( divide both sides by 6 )

x = 8 → A



6 0
3 years ago
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