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
lidiya [134]
3 years ago
15

Which functions domain consists of all real numbers except -2?

Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0

Answer:

option (a) f(x)= 1/x+2

Step-by-step explanation:

(a) f(x) = 1/ x+2

To find the restriction for domain , we set the denominator =0  and solve for x

x+2 =0, so x=-2

When x=-2  then denominator becomes 0 that is undefined.

So, domain is all real numbers except -2

(b) f(x)= 2x

In this function, there is no denominator or square root or log function

so there is no restriction for x, hence domain is all real numbers

(c) f(x) = 2x-2

In this function, there is no denominator or square root or log function

so there is no restriction for x, hence domain is all real numbers

f(x) = 1/ sqrt(x+2)

if we have square root in the denominator then we set the denominator >0 and solve for x. because square root of negative values are undefined

x+2>0, x>-2

Hence domain is all real numbers that are greater than -2

You might be interested in
11 can someone please explain this
Ann [662]

Answer:

46 degrees

Step-by-step explanation:

7 0
2 years ago
Use the number line given to choose the best answer for the question.
Taya2010 [7]

Answer:

can you put the number line

Step-by-step explanation:

7 0
3 years ago
Solve: (19 + 1^5) / 1/2 +5
IRINA_888 [86]

Answer:

15

Step-by-step explanation:

Hoped it helped

3 0
3 years ago
The difference between a number and four is multiplied by negative five. The result is twenty. What is the number?
spayn [35]
(n-4)*-5=20           Answer is  n= 8
4 0
3 years ago
Read 2 more answers
janie served 4 same zise pizzas at the class party. explain how to find how many slices of pizza janie served if the angle for e
guapka [62]
If each slice turns a right angle that means it turns 90* so you can only have two turns per pizza which gives 4 slices (90+90+90+90=360 - this is how many degrees in a circle) so per pizza 4 slices. For four pizzas that is 4x4 which is 16 so 16slices
8 0
3 years ago
Other questions:
  • PLEASE HELP!!!!!
    11·1 answer
  • What appears to be the domain of the part of the exponential function graphed on the grid
    6·1 answer
  • 1. m+ 10< 16
    15·1 answer
  • What is 2 3 (−7) + 2 3 (−5)
    10·1 answer
  • Can someone help me with my summer school geometry work ?
    9·1 answer
  • Here are some extra <br> points
    12·2 answers
  • Less than a number is 18. What is the number (n)?
    14·1 answer
  • I need this answered as soon as possible
    7·2 answers
  • How many 3-digit numbers less than 500 can be formed from 0, 2, 4, 6, if repetition of digits is allowed?
    15·1 answer
  • a couple has narrowed down the choices of a name for their new baby to first names and middle names. how many different​ first-
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!