2 years ago

Determine the slope and y-intercept of the graph to the right

1 answer:

5 0

The slope is a negative slope and the y-intercept is (0,2).

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Levart [38]

The next term is double the previous term, so that the $n$ -th term is given recursively by

$\begin{cases}a_1=1\\a_n=2a_{n-1}&\text{for }n>1\end{cases}$

This rule tells us that

$a_2=2a_1$

$a_3=2a_2=2^2a_1$

$a_4=2a_3=2^3a_1$

and so on, with the explicit rule

$a_n=2^{n-1}a_1=2^{n-1}$

for $n\ge1$ .

If 512 is the $k$ -th term in the sequence, then

$512=2^{k-1}\implies\log_2512=\log_22^9=\log_22^{k-1}\implies9=k-1\implies k=10$

8 0

3 years ago

Papessa [141]

Let the existing no. of video games she had be x,
then
(3+x)+2x+5

3 0

3 years ago

Nuetrik [128]

The answer is 180.add 40 to its self or multiply by 4 then add 20 for the .5 portion, 40x4=160 160+20=180.

hoped this helped =)

4 0

3 years ago

kolezko [41]

Answer:

h+7+20

h=13

Step-by-step explanation:

To find 7+ what ='s 20 i just added 13 bc 13+7=20

5 0

3 years ago

ivann1987 [24]

The answer is 3
Trust me dog

4 0

3 years ago