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
svp [43]
4 years ago
6

If f(x)=3x^2-9 and g(x)=x^2+1 find (f+g)(x)

Mathematics
1 answer:
givi [52]4 years ago
5 0

Answer:

4x^2 -8

Step-by-step explanation:

f(x)=3x^2-9

g(x)=x^2+1

(f+g)(x)=3x^2-9 +x^2+1

Combine like terms

           = 4x^2 -8

You might be interested in
Solve the absolute value equation.<br><br> 4 − |x| = 1
Alika [10]

Answer:

x = +3 and -3

Step-by-step explanation:

Start by solving for |x| as normal:

4 - |x| = 1

- |x| = -3 (subtract 4 from both sides)

|x| = 3 (multiply both sides by -1)

the absolute value of x means it will be positive, so you need to recognize that whatever is in the absolute value bars will be made positive.

this means that x = 3 AND -3, because both |3| and |-3| = 3

check your answer by plugging x = 3 and x = -3 back in:

4 - |3| = 1

4 - 3 = 1

1 = 1

and

4 - |-3| = 1

4 - 3 =  1

1 = 1

5 0
3 years ago
Read 2 more answers
Two sides of a rectangle fence are 5 5/8 feet long. The other two sides are 6 1/4 feet long. What is the perimeter?
SOVA2 [1]
11 7/8 feet is the answer bc perimeter is just adding all the side, so if 2 side = 5 5/8 and the other 2 = 6 1/4 then the sum will be 11 7/8 feet
3 0
3 years ago
Read 2 more answers
I need to get brain list
goldfiish [28.3K]

Answer:

what it do 5v

Step-by-step explanation:

5 0
4 years ago
Liz works at Food For Thought magazine. Her employer offers her a pension. Liz's
IRINA_888 [86]

Answer:

Liz's annual pension is $1470

Step-by-step explanation:

Salaries for the last four years are $66,000; $66,000; $73,000; and $75,000

Finding the average salary in the four years will be;

Sum $66,000 + $66,000 + $73,000 + $75,000 =$280,000

Number of years =4

Average= $70,000

Applying 2.1 % pension

$70,000 * 2.1/100 =$1470 annual pension

3 0
3 years ago
Although appealing to more refined tastes, art as a collectible has not always performed so profitably. During 2003, a sculpture
zysi [14]

Answer:

i = 4.68698 %   to five decimal places.

Step-by-step explanation:

Let

i = annual rate of return

t = number of years = 4

using the compound interest formula,

12382500 = 10309500 (1+i)^4

rearrange

(1+i)^4 = 12382500 / 10309500

take log on both sides,

4log(1+i) = log(12382500 / 10309500)

solve for i

log(1+i) = (1/4)log(12382500 / 10309500)

1+i = e^((1/4)log(12382500 / 10309500))

i = e^((1/4)log(12382500 / 10309500)) -1

i = 0.0468698287401117

7 0
3 years ago
Other questions:
  • 10 objects split between 2 options. how many different combinations
    6·1 answer
  • Can you help me because I don't understand it so please explain the process to me. (With the answer)
    14·2 answers
  • If Jake can do a job in 45 minutes and Bill can do the same job in 75 minutes how long will it take them to do the job together?
    9·1 answer
  • How many fluid ounces are in a 15-gallon tank of gas?
    10·1 answer
  • Choose the correct mixed number for the quotient.
    11·2 answers
  • Describe the error in the work shown below.
    7·2 answers
  • Larry is putting a row of rocks around his rectangular pool. Which descriptive model will tell him how many rocks he needs?
    13·1 answer
  • What is the measure of an exterior angle in a regular polygon with 12 sides
    9·1 answer
  • Carmen simplifies the expression (4 y + 8 x + 6) + 25 + (4 x + 6 y + 7). The coefficient of the variable y in her simplified ans
    11·2 answers
  • Help plzzzzzz <br> 50 times 30 =
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!