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
bulgar [2K]
3 years ago
13

Use the functions f(x) = 4x − 5 and g(x) = 3x + 9 to complete the function operations listed below.

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0
A.  (f + g)(x) = f(x) + g(x) = 4x - 5 + 3x + 9 = 7x + 4

B. f.g (x)   = f(x) * g(x) = (4x - 5)*(3x + 9) = 12x^2 + 36x -  15x - 45
                =  12x^2 + 21x - 45

C  Replace the x in f(x) by g(x):-
  =  4(3x + 9) - 5
  = 12x + 36 - 5
  = 12x  + 31
You might be interested in
Simplify<br> (4i)(–5i)(6i)<br><br> –120<br><br> –120i(incorrect)<br><br> 120i<br><br> 120
professor190 [17]

Answer:

120i

Step-by-step explanation:

;i × i = -1....so hence

4i × (-5i) = -20 i^2...which is -20(-1) = 20....

then you multiply with 6i

20(6i) = 120i

4 0
3 years ago
How are a function and its inverse related?
marta [7]

Answer:

They reverse each other.

Step-by-step explanation:

A function and an inverse of a function undo what the other does.  For example, a function gives an ordered pair of (5,0).  Therefore, the inverse would give an ordered pair (0,5).

7 0
3 years ago
What does the tape measure say Measurement # 2 is?
leonid [27]

Answer:

Measure number 2 of the tape is for the pinus  

Step-by-step explanation:

To measure, kindly place pinus next to ruler and pinus will be in line with measurement #2

Call and ask for pinus step by step

3 0
2 years ago
Read 2 more answers
Luis wants to buy a skateboard that usually sells for $79.57. All merchandise is discounted by 12%. What is the total cost of th
djverab [1.8K]
79.57 times 12% = 70.02
70.02 times 7.75% = 5.43
70.02 plus 5.43 = 75.43
3 0
2 years ago
Read 2 more answers
A forest covers 43,000 acres. A survey finds that 0.7​% of the forest is​ old-growth trees. How many acres of​ old-growth trees
Goryan [66]

Answer:

301 acres

Step-by-step explanation:

43,000 acres of forest

0.7% is old-growth

0.7% = 0.007

43,000 * 0.007 = 301 acres

7 0
2 years ago
Other questions:
  • Evaluate s(t)=∫t−[infinity]||r′(u)||du for the bernoulli spiral r(t)=⟨etcos(8t),etsin(8t)⟩. It is convenient to take −[infinity]
    12·1 answer
  • What value is x. -2(3x+2)&gt;-8x+6
    8·1 answer
  • Amanda reads 300 pages in 10 hours. If each page has 200 words on it, how many words did Amanda read per minute?
    13·2 answers
  • I need help with the first row it’s all talking about the triangle on Monday
    9·1 answer
  • Need help !!! Cant figure this question out
    5·1 answer
  • Domain and Range NAME: MR. Q State the domain and range for each graph and then tell if the graph is a function (write yes or no
    6·1 answer
  • 5d=10d-20 please answer quickly
    14·2 answers
  • If h = 7 units and r = 2 units, then what is the approximate volume of the cone shown above?
    15·1 answer
  • Help Anyone please? &gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;&gt;
    12·1 answer
  • What is the average rate of change for this function for the interval from x=3 to x=5
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!