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
steposvetlana [31]
3 years ago
12

If p(x)=2x^2-4x and q(x)= x-3 what is (p•q)(x)

Mathematics
1 answer:
siniylev [52]3 years ago
8 0
The use of the symbol • in <span>(p•q)(x) is confusing.

You may be using it to indicate multiplication or to indicate composition of functions.

The operation and the results will be different in each case.

So, make sure that you interpret the problem correctly. I will do the problem for the two cases to help you.

1) if </span><span>• means multiplication:

</span>use the distributive property:

<span>(p•q)(x) = (2x^2 - 4x) (x - 3) = 2x^3 - 6x^2 - 4x^2 + 12 x = 2x^3 - 10x^2 + 12x

2) if </span><span>• means compositon of functions:

=> </span><span>(p•q)(x) = p [ q(x)] = p [ x -3] = 2 (x - 3)^2 - 4(x - 3)

= 2[x^2 - 6x + 9] - 4x + 12 = 2x^2 - 12x + 18 - 4x + 12 = 2x^2  - 16x + 30

Then, only make sure of the use of the symbol </span><span>• in (</span><span>p•q)(x) , which you can find in the context of the question.</span>
You might be interested in
I really need some help so pls someone help me
Gemiola [76]

Answer:

its b ez

Step-by-step explanation:

5 0
2 years ago
Increase 90 in the ratio 5 is to 3 ​
cupoosta [38]

9514 1404 393

Answer:

  150

Step-by-step explanation:

The increase is by the factor 5/3, so the increased number is ...

  90×(5/3) = 150

90 increased in the ratio 5 : 3 is 150.

5 0
3 years ago
Choose the function that fits the table below
SVEN [57.7K]
The answer would be the first one.
5 0
3 years ago
When have I ever done this leave me alone please
soldi70 [24.7K]

Answer:

zusvhzbzhz

Step-by-step explanation:

zuzuch bzhzhs bu sizhshsuhsnd uh s gsv sjizhs

3 0
2 years ago
Read 2 more answers
SOMEONE SOSSS PLSSSS
Leya [2.2K]

Answer:

  • $5.60 sales tax
  • $75.60 total cost

Step-by-step explanation:

You have correctly found the sales tax to be ...

  $70.00 × 0.08 = $5.60 . . . sales tax

The total cost of the item is the selling price with the tax added:

  $70.00 +5.60 = $75.60 . . . total cost

7 0
2 years ago
Other questions:
  • If a manufacturer reduces the number of in the job accidents from an average of 20 a month to an average of 6 a month. What is t
    11·1 answer
  • Printing a newsletter costs $1.50 per copy plus $450 in printer's fees. The copies are sold for $3 each.How many copies of the n
    15·1 answer
  • What is the measure of ∠C?
    10·2 answers
  • Solve for n. 2n − 35=52n − 35=5
    9·2 answers
  • Hey I need some help
    14·2 answers
  • How many solutions does the system have? 4x-2y=8 2x+y=2
    10·1 answer
  • Camila owns a car worth $5,900 and owes $2,800 on the car loan. She has $1,600 in her bank account and $5,210 in a savings accou
    13·2 answers
  • Find the Area of the Parallelogram.
    14·1 answer
  • Dan's goal is to raise more than $4000.00 in order to buy a car his senior year. If he has $2150 saved already and has a job tha
    15·1 answer
  • Question Solve. 2 1/3−1/2x=−2/3 Enter your answer in the box.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!