1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
strojnjashka [21]
3 years ago
15

F(1)=3f(1)=3 and f(n)=2f(n-1)+3 f(n)=2f(n−1)+3 then find the value of f(3)

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:

f(3)=21

Step-by-step explanation:

f(1)=3

f(n)=2f(n-1)+3

n=2

f(2)=2f(2-1)+3

f(2)=2f(1)+3

f(2)=2*3+3

f(2)=6+3

f(2)=9

n=3

f(3)=2f(3-1)+3

f(3)=2f(2)+3

f(3)=2*9+3

f(3)=18+3

f(3)=21

You might be interested in
A square has a side length of 5 and 1/4 inches what is the area of a square
padilas [110]
Answer: 27.5625 or 27.6

Explanation:
A square has even side lengths so each side equals 5 1/4 or 5.25. So you take two sides and multiply them together. In other words, 5.25•5.25. Then you get roughly 27.6 rounded
7 0
3 years ago
The ratio of red poms to yellow poms on a float is 5 to 7. if there are 392 yellow poms on the float, how many red poms are ther
Marysya12 [62]
Ratio is written in x:y. therefore for this case, red:yellow
5 : 7

since the question states that there are 392 yellow poms, the 7 units represents 392 yellow poms. now you have to gind what is one unit and then multiply by 5 to find the number of red poms.

392 represents 7 units
1 unit: 392/7=56
5 units: 5×56=280 red poms

therefore the answer is 280 red poms which is C.
4 0
3 years ago
Write it in an algebraic expression form!
Phoenix [80]
1.

(x/2) - 7 = 11


2.

2x + 7 = 27


3.

2x - 5 = 25




Hope this helped!! (:
7 0
2 years ago
What is the equation, in point-slope form, for a line that goes through ​ (2, −6)(2, −6) ​ and has a slope of ​ −34−34 ​ ?
Tom [10]
I think the answer might be C, but I'm not 100% sure.
7 0
4 years ago
When adding or subtracting two decimals, what is the first thing you must do
polet [3.4K]
Line up the decimals
5 0
4 years ago
Other questions:
  • Mrs. Smith’s wrote the number 43.38 on the board for a class discussion on place value. Explain the relationship between the two
    5·2 answers
  • Please help as soon as possible ​
    9·1 answer
  • Will 5 divided by 2 over 7 have a whole number answer? explain
    11·1 answer
  • WRITE INEQUALITY'S FOR THE FOLLOWING SITUATIONS
    12·1 answer
  • Round 39.19 to the ones place
    9·2 answers
  • in a class of 40 students, 24 are over the age of 21 and 16 are 21 or younger. Biff is over the age of 21. A student is selected
    8·1 answer
  • Select all the points that are on the graph of the line y = −1/4 x + 3.
    8·1 answer
  • What's the answer? Anybody know?
    12·2 answers
  • Can someone answer this one question for me? Real answer only please, thanks.
    14·1 answer
  • The water pumped out of a backyard pond. What is the domain of this graph?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!