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
Oksi-84 [34.3K]
2 years ago
6

Find the first, fourth, and eighth terms of the sequence. A(n) = -2x2^n-1

Mathematics
1 answer:
Travka [436]2 years ago
3 0

Answer:

first term = -2

fourth term = -16

eighth term = -256

Step-by-step explanation:

Given;

A sequence with function;

A(n) = -2x2^(n-1)

The first, fourth, and eighth terms of the sequence can be calculated by substituting their corresponding values of n;

First term A(1); n = 1

A(1) = -2x2^(1-1) = -2×1 = -2

Fourth term A(4); n = 4

A(4) = -2x2^(4-1) = -2×8 = -16

Eighth term A(8); n = 8

A(8) = -2x2^(8-1) = -2×128 = -256

Therefore,

first term = -2

fourth term = -16

eighth term = -256

You might be interested in
Please help me with this its my last math question will give brainly for correct answer
Citrus2011 [14]

Answer:

64

Step-by-step explanation:

 

4 0
2 years ago
What does Draw and shade a figure that represents 100%. Label your 100%. Then describe the figure in words.
enot [183]
<span><span>In most statistical models to represent easy percentages, circle is mostly preferred. It is purposefully designed or rather allotted for functions that included 100%. A pie chart in technical terms. Imagine an uneaten cake would represent a 100%. </span></span>In most case scenarios, when you eat one slice of the cake. You take a portion that decreases it 100% or a whole presentation, for instance you took 25% slice of cake, what’s left will be 75% and then when you put back again, the 25% slice will present the whole 100%. In words, 25% slice of a cake you take, what’s left will just a portion 75% and unless you put it back it will be whole again.




6 0
3 years ago
The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative
madam [21]

The true statement is:

"The range of the function is all real numbers less than or equal to 9."

<h3>Which statements are true?</h3>

Here we have the quadratic function:

f(x) = -x^2 - 4x + 5

And we want to see which of the given statements are true.

The first one is:

"The domain is al real numbers less than or equal to -2"

This is false, for all quadratic functions the domain is the set of all real numbers (unless the domain is defined).

The second statement is:

" The domain of the function is all real numbers less than or equal to 9."

Also false

Third one:

" The range of the function is all real numbers less than or equal to −2"

The range of a quadratic function with a negative leading coefficient will be the set of all the values smaller than the y-value of the vertex.

In this case, the quadratic function is:

f(x) = -x^2 - 4x + 5

So the vertex is at:

x = 4/(2*-1) = -2\\

Then the y-value of the vertex is:

f(-2) = -(-2)^2 - 4*(-2) + 5 = -4 + 8 + 5 = 9

So the range is the set of all real numbers less than or equal to 9.

So the above statement is false, and the final one:

"The range of the function is all real numbers less than or equal to 9."

Is the true statement.

If you want to learn more about quadratic functions:

brainly.com/question/1214333

#SPJ1

8 0
1 year ago
15, 16, 20, and 22! PLEASE HELP
Vikentia [17]
The answer for number 16 is 20
7 0
3 years ago
Read 2 more answers
GEOMETRY <br> please Help
geniusboy [140]

Answer:

A right circular cone

Step-by-step explanation:

7 0
2 years ago
Other questions:
  • The sum of two numbers is 46 . the larger number is 12 more than the smaller number. what are the numbers?
    5·2 answers
  • I drink coaster in the shape of a cylinder has a volume of approximately 95.43 cm³ and the radius of 4.5 cm. Approximately how m
    11·1 answer
  • What is the inverse of the function shown?
    7·1 answer
  • mr. Garcias class raised momey for a field trip to the zoo. There are 23 students in his class. The cost of the trip will be $17
    15·2 answers
  • A cellular phone network uses towers to
    5·1 answer
  • What is the solution of the system? Use any method.
    5·2 answers
  • A ___________ ____________ can be written as a fraction or a ratio.
    9·1 answer
  • a pet store wants to know what is people's favorite animal. the store places survey cards at a table for customers to fill out w
    5·1 answer
  • DOES ANYONE KNOW HOW TO DO THIS? DUE AT 11 TONIGHT PLS HELP!
    7·2 answers
  • Solve pls brainliest
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!