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
Lady bird [3.3K]
2 years ago
6

If f(n) = n2 - n, then f(-4) is _____. -20 20 12 -12

Mathematics
2 answers:
kolbaska11 [484]2 years ago
8 0
<span>The correct option is "20" because

f(n)=<span>n2</span>−n
(−4)=(−4<span>)2</span>−(−4)
      =16+4
      =20</span>
Alekssandra [29.7K]2 years ago
5 0

Answer:

The answer is 20.

Step-by-step explanation:

The answer of this question is applying the number -4 in the equation, this is:

f(n)=n^{2} -n\\Replacing\\f(-4)=(-4)^{2} -(-4)\\f(-4)=16+4\\f(-4)=20

The answer is 20.

You might be interested in
The prism below is made of cubes which measure of a centimeter on one side. What is the volume?
denpristay [2]
Volume = 45
Bc
3 rows wide
5 rows long
3 rows tall
5x3=15
15x3=45
6 0
2 years ago
The figure below is a square pyramid where the height of the pyramid is 2 centimeters and the volume is 24 cubic centimeters. If
Murrr4er [49]

Answer:

HIIIIIIII NMMNDKK F.

Step-by-step explanation:

4 0
2 years ago
Which of these points does not change its location when it is reflected across the y-axis? (2, 0) (0, 6) (3, 3) (–5, 5)
Anna [14]

Answer:

-5,5

Step-by-step explanation:

5 0
3 years ago
Tim has L inches of wire. He cuts the wire into pieces. The length of each piece is k inches. How many pieces of wire does Tim h
Yuki888 [10]

Answer:

L/k

Step-by-step explanation:

If Tim has a wire that is L inches long and each piece is k inches long, then you would divide the total length by the length of each individual to get the number of pieces.

So,

L/k

7 0
2 years ago
A chemist has 0.2 liters of an acid solution whose acid concentration is 65%. How many liters of pure water should be added to l
lorasvet [3.4K]

Answer:

0.06

Step-by-step explanation:

4 0
2 years ago
Other questions:
  • Cookies smell great when they’re warm outbof the oven.Taylor wants to make cookies for her class.There 28 students including Tay
    12·2 answers
  • Ignore the bottom question, what are the dolls and pencils and trucks worth
    13·1 answer
  • Chang drove 420 miles using 18 gallons of gas. At this rate, how many gallons of gas would he need to drive 357 miles?
    15·2 answers
  • At a local grocery store, apples cost $0.50 each and bananas cost $0.30 each.
    7·1 answer
  • In this circle, AB is tangent to the circle at point B, AC is tangent to the circle at point C, and point D lies on
    15·1 answer
  • How to divide<br>Please Help Me!<br>I Need It​
    12·1 answer
  • An elf counted 12 small holiday sweaters, 34 medium holiday sweaters, and 27 large holiday sweaters on the store shelves. She al
    5·1 answer
  • The sum of -6 times a number x and 9 is at least 27. what are the possible values of the number​
    15·1 answer
  • The rates of change, true or false​
    8·1 answer
  • CAN SOMEONE HELP ME PLEASE ASAP!?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!