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3 years ago

A recursive function is shown below:

1 answer:

Ber [7]3 years ago

8 0

$f(1)=\fbox2\ and\ f(n)=f(n-1)-5\\\underline{f(2)}=f(2-1)-5=f(1)-5=2-5=\fbox{-3}\\\underline{\underline{f(3)}}=f(3-1)-5=\underline{f(2)}-5=-3-5=\boxed{-8}\\f(4)=f(4-1)-5=\underline{\underline{f(3)}}-5=-8-5=\boxed{-13}\\\vdots\\Answer:\boxed{\boxed{2;-3;-8;-13;-18;...}\leftarrow answer}$

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If 43 of the 148 reams of paper purchased by a department are used, what is the percentage that remains?

Wewaii [24]

100%/x%=148/43
(100/x)*x=(148/43)*x - we multiply both sides of the equation by x
100=3.44186046512*x - we divide both sides of the equation by (3.44186046512) to get x
100/3.44186046512=x 
29.0540540541=x 
x=29.0540540541

now we have:
43 is 29.0540540541% of 148

3 0

3 years ago

Read 2 more answers

Please answer this correctly.

Ganezh [65]

Answer:

The given function is a nonlinear function because the degree of the function is 2 and we get same value of y for more than one values of x.

Step-by-step explanation:

The given function is

$y=2x^2-5$

To find the points which lie on the function, put difference values of x in the given function and find the values of y.

Put x= -2

$y=2(-2)^2-5=2(4)-5=8-5=3$

Put x= -1

$y=2(-1)^2-5=2(1)-5=2-5=-3$

Put x= 0

$y=2(0)^2-5=2(0)-5=-5=-5$

Put x=1

$y=2(1)^2-5=2(1)-5=2-5=-3$

Put x= 2

$y=2(2)^2-5=2(4)-5=8-5=3$

The table of values is shown below.

Plot these points on a coordinate plane and connect them by a free hand curve.

The given function is a nonlinear function because the degree of the function is 2 and we get same value of y for more than one values of x.

The graph of function is shown below.

5 0

4 years ago

Plz helppp meee wallah I swear to god I will mark you as a brainliest and I will give you 20

givi [52]

Answer:

Step-by-step explanation:

Equation for the linear function has been given as,

y = 26 - 4x

For x = 1,

y = 26 - 4(1)

= 26 - 4

= 22

For x = 2,

y = 26 - 4(2)

= 26 - 8

= 18

For x = 3,

y = 26 - 4(3)

= 26 - 12

= 14

For x = 6,

y = 26 - 4(6)

= 26 - 24

= 2

Therefore, table for the function will be,

x y

1 22

2 18

3 14

6 2

8 0

3 years ago

Estimate Width of a room in cm, m, or km

bearhunter [10]

The width of a room can be from around 15 cm to about 40 cm.
meaning 1 m
and about less than 1/6 of a km
Hope it helped!

7 0

4 years ago

How to write out a one-step equation for a word problem. Maggie spent half of the money in her savings account on a new computer

Fittoniya [83]

Answer:

(1/2)s = 345

s = 690 (Maggie's savings balance)

Step-by-step explanation:

For any problem, word problem or otherwise, you start be reading and understanding the problem. You should specifically look for

what you're being asked to find (what is the question to answer)
the information you're given that is relevant to the question asked.

Here, you're asked to find a savings account balance. You're told that $345 is half that amount.

After you decide what you're looking for and the given relevant information, you use the problem statement and your personal knowledge to write one or more equations relating what you know to what you want to find.

A first step for doing this is to define any necessary variables. In this problem, we can use "s" for the original savings balance (in dollars). (I like to choose letters that remind me what they stand for. "x" or "y" can sometimes get mixed up. For a one-variable problem, it doesn't really matter what you call it. It is helpful to be clear about the units of measure of any variables. Confusion there can also lead to errors.)

The problem statement tells us that half the savings account amount is $345, so our equation is ...

(1/2)s = 345

The "one step" required to solve this so to multiply both sides of the equation by 2.

s = 690

Maggie had $690 in her savings account before she bought the computer.

5 0

3 years ago