3 years ago

Given the arithmetic sequence shown below, write a recursive rule for the sequence. -4,4,12, 20,

Mathematics

1 answer:

damaskus [11]3 years ago

8 0

We can see that the difference is 8 so we can write:

$a_n=a_{n-1}+8$

You might be interested in

If f(x)=5x+1 and g(x)=2f(x)+5 then g(-1)=

ollegr [7]

We know f(x)=5x+1. Plug in f(x) in the g(x) function.
We get $g(x)=2(5x+1)+5$ Distribute the 2 to 5x and 1.
$g(x)=10x+2+5$
Simplify to get $g(x)=10x+7$
Now, we plug in -1 for x.
$g(-1)=10(-1)+7$
$g(-1)=-10+7$
$g(-1)=-3$

4 0

2 years ago

I need some help on this question please

artcher [175]

Answer:

36, 32, 28, 24

Step-by-step explanation:

Fill in the values of n and do the arithmetic.

a1 = 36 -4(1 -1) = 36

a2 = 36 -4(2 -1) = 32

a3 = 36 -4(3 -1) = 28

a4 = 36 -4(4 -1) = 24

_____

You could recognize the formula as the specific case of the explicit formula for an arithmetic sequence with first term 36 and common difference -4. That tells you the second term is 36 -4 = 32, and each successive term is 4 less than the one before.

7 0

3 years ago

A,D,N, and X are collinear points. D is between N and A. NA+AX=NX. Draw a diagram that represents this information. Help!!!

GREYUIT [131]

I hope this helps you out!