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Vlad [161]
3 years ago
15

Graph the first six terms of a sequence where a, = 4 and r = 2.

Mathematics
1 answer:
Ahat [919]3 years ago
5 0

The first six terms are {4,8,16,32,64,128}

Further explanation:

The given sequence will be a geometric sequence as common ratio is given.

So,

Common ratio = r = 2

First term = a = 4

The next terms will be obtained by multiplying each term with 2.

a_1 = 4\\a_2 = 4*2 = 8\\a_3 = 8*2 = 16\\a_4 = 16*2 = 32\\a_5 = 32*2 = 64\\a_6 = 64*2 = 128\\So\ the\ first\ 6\ terms\ are \{4,8,16,32,64,128\}

For graph, the placement number of terms will be taken along x-axis and the terms will be along y-axis.

The graph is attached herewith.

Keywords: Geometric sequence, Common ratio

Learn more about geometric sequence at:

  • brainly.com/question/1522572
  • brainly.com/question/2491745

#LearnwithBrainly

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Answer:

x=50

See below for word problem.

Step-by-step explanation:

While shopping, you spend $125 before tax. You buy 3 dresses at the same price each and receive a $25 discount. How much is the price of each dress?

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8 0
3 years ago
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lara [203]

Answer: x^2 + 9x + 20

Step-by-step explanation:

Foil Method: (a + b) (c + d) = ac + ad + bc + bd

Lets say:

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Plugging in the numbers: xx + 4x + 5x + 5*4

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4x + 5x = 9x

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You're then left with: x^2 + 9x + 20

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3 years ago
Factor: x^2 + 11xy - 26y^2
irina1246 [14]
Hello.

(x + 2y) • (x - 13y) Step by step solution :<span>Step  1  :</span><span>Equation at the end of step  1  :</span><span> ((x2) - 11xy) - (2•13y2) </span><span>Step  2  :</span>Trying to factor a multi variable polynomial :

<span> 2.1 </span>   Factoring   <span> x2 - 11xy - 26y2</span> 

Try to factor this multi-variable trinomial using trial and error<span> 

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Final result : (x + 2y) • (x - 13y)
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The graph of the function f(x) = log2x is shown.
jekas [21]

The domain of the function g(x) = 2 log₂(x - 4) + 3 will be (4, ∞). Then the correct option is A.

<h3>What are domain and range?</h3>

The domain means all the possible values of x and the range means all the possible values of y.

The graph of the function f(x) = log₂x is shown.

Function g is defined as g(x) = 2f(x - 4) + 3.

Then the function g(x) will be

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More about the domain and range link is given below.

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