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
Soloha48 [4]
3 years ago
8

Find the domain of the function f(x) = 7x2 + 8x - 15.

Mathematics
1 answer:
Marat540 [252]3 years ago
7 0

Answer:

all real numbers

You might be interested in
A sector of a circle has a central angle measuring 80 degrees. If the area
marysya [2.9K]

Answer:

675in

Step-by-step explanation:

not it

6 0
3 years ago
If you add 1 to half of 1, then half of 1 to the previous number, and so on, will you ever get to 2?
lisov135 [29]

Answer:

no

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Our waitress was fantastic!! Matthew decided
bearhunter [10]

Hey!

-----------------------------------------------

Steps To Solve:

~Turn into decimal

15% = 0.15

~Multiply

25.65 x 0.15 = 3.8475

-----------------------------------------------

Answer:

Matthew will give the waitress $3.8475 for a tip.

-----------------------------------------------

Hope This Helped! Good Luck!

4 0
3 years ago
Factor the expression completely over the complex numbers. X3+5x2+9x+45
shepuryov [24]

x^3+5x^2+9x+45=x^2(x+5)+9(x+5)=(x+5)(x^2+9)=(*)\\\\x^2+9=x^2+3^2=x^2-(-1)(3^2)=x^2-(i^2)(3^2)=x^2-(3i)^2\\\\i=\sqrt{-1}\to i^2=-1\\\\(*)=(x+5)[x^2-(3i)^2]=(x+5)(x-3i)(x+3i)\\\\Used:\ a^2-b^2=(a-b)(a+b)\\\\Answer:\ x^3+5x^2+9x+45=(x+5)(x-3i)(x+3i)

4 0
3 years ago
Read 2 more answers
Need help with these questions please
butalik [34]
Help me with these instead

4 0
3 years ago
Other questions:
  • There are (3^2)^4 x 3^0 bacteria in a Petri dish. What is the total number of bacteria in the dish ?
    5·2 answers
  • Solve the equation. Check for extraneous solutions. 2|7-7|=2x+4
    10·1 answer
  • On Sunday, 370 people bought tickets to the county fair. Tickets cost $7 for adults and $3 for children. The total revenue from
    14·1 answer
  • Is area a function of the radius ? Is radius a function of area?
    15·1 answer
  • Your gross income is $4,520.00/month. Your deductions are FICA (7.65%), federal tax withholding (11.75%), and state tax withhold
    11·1 answer
  • Write each fraction as a decimal<br> 3 15/44
    5·1 answer
  • Pleasee help, thank you so much
    5·1 answer
  • What is the slope of the line? help!!
    14·1 answer
  • Select the correct answer.
    14·2 answers
  • The distance between point (-6,-4) and (-6,5)
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!