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
tankabanditka [31]
4 years ago
8

F(x) = 3x g(x) = x2 – 5x - 9 Find (fºg)(x).

Mathematics
1 answer:
Eddi Din [679]4 years ago
8 0

Answer:

\boxed{(f.g)(x) = 3 {x}^{3}  - 15 {x}^{2}  - 27x}

Given:

f(x) =  x + 2 \\  \\ g(x) =  3x + 5

To Find:

(f.g)(x) = f(x) \times g(x)

Step-by-step explanation:

=  > f(x) \times g(x) = (3x)( {x}^{2}  - 5x - 9) \\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = (3x \times  {x}^{2} ) - (3x \times 5x) - (3x \times 9)\\  \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 3 {x}^{3}  - 15 {x}^{2}  - 27x

You might be interested in
What are the next three terms in the sequence3,6,9,12,...?
Vinil7 [7]

Answer:

15, 18, 21

Step-by-step explanation:

3, 6, 9, 12, 15, 18, 21...

3 x 5 = 15

3 x 6 = 18

3 x 7 = 21

Hope this helps! :)

8 0
3 years ago
Find the slope of each line y=9/5x+5
Montano1993 [528]
Y = Mx + b
M = slope
Given that, the slope is 9/5
7 0
3 years ago
Help please ASAP I don’t get it
BartSMP [9]
You add each step from +5 to +10 to get 55
7 0
3 years ago
If two-thirds of a woman's age is 38, what is her age?
ahrayia [7]

Answer:

57 years old

Step-by-step explanation:

If two-thirds of a woman's age is 38, then:

(2/3)x = 38

Multiplying both sides by 3/2 to solve for x will give us her age:

3/2)(2/3)x = (3/2)*38

x =57

She is 57 years old.

6 0
3 years ago
Read 2 more answers
Charlie does the following problem:
allochka39001 [22]

He is incorrect because he should have 6 factors of 9.

8 0
3 years ago
Read 2 more answers
Other questions:
  • Expand and simplify 2(3m+4)+3(m-5)
    13·2 answers
  • What is the inverse function of t=5v+20
    8·1 answer
  • Use sigma notation to represent the sum of the first five terms of the following sequence. -5, -9.-13,
    6·1 answer
  • What is the discount price os a skateboard that cost $155.80 on sale for 20% off
    7·1 answer
  • Please need help with this
    13·2 answers
  • Tomen puntos y doy corona al primero que comente hola
    5·2 answers
  • Please help!!!!!!!!!!!!!!!!!!!!!1
    14·1 answer
  • Describe the prime factorization of 180
    13·1 answer
  • Simplify 5 x 5^2 leaving your answer in index form.​
    8·1 answer
  • Delta math help please
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!