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NeX [460]
3 years ago
5

2. what is the 8th term of the sequence given by an=3n-5

Mathematics
2 answers:
kiruha [24]3 years ago
8 0
(1) To determine the 8th term of the sequence, substitute 8 to n of the equation. 
                                     a₈ = 3(8) - 5 = 19
Answer is letter B. 
 
(2) It can be observed that the numbers in the sequence is 6 times n (its position) minus 4. Thus, the answer is letter D. 
WARRIOR [948]3 years ago
8 0

The answer to number 2. is:

<h3>b. 19</h3>

The answer to number 3. is:

<h3>an=6n-4</h3>
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Read 2 more answers
Write an equation for a cosine function with an amplitude of 5, a period of 3, a phase shift of 2, and a vertical displacement o
kramer

Answer:

y = 5 cos ((2π/3)x - 2) + 2

Step-by-step explanation:

Cosine function takes a general form of  y = A cos (Bx + C) + D

Where

A is the amplitude

2π/B is the period

C is the phase shift ( if -C, then phase shift right, if +C phase shift left)

D is the vertical displacement (+D is above and -D is below)

Given the conditions of the function to build and the general form, we can write:

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Now we can write:

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