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
elena55 [62]
10 months ago
8

F(x) = 3x² + 9x – 16 Find f(-8)

Mathematics
1 answer:
Nezavi [6.7K]10 months ago
7 0

Answer: 104

Step-by-step explanation:

f(-8) represents f(x) evaluated at x=-8.

f(-8)=3(-8)^2 +9(-8)-16\\\\=192-72-16\\\\=120-16\\\\=104

You might be interested in
Explain when to use Mental Math
I am Lyosha [343]
It is best to use mental math with some equations (5x5 or something that is easy enough that work does not have to be shown 10 dived by 5
3 0
3 years ago
Help me answer this please
nikitadnepr [17]

Answer:

x=115 y=65

Step-by-step explanation:

You get 115 for X because angle x is vertical to 115 degrees.

You get 65 because y is supplementary to x, and 180-65=115.

4 0
3 years ago
Read 2 more answers
Two similar figures have corresponding sides that measure 4 inches and 7 inches
matrenka [14]

Answer:

11 inch dummy

Step-by-step explanation:

4 + 7=11

4 0
3 years ago
What plus 4/3 equals 19/3 in the simplest form?
dangina [55]
15/3 + 4/3 = 19/3

All you have to do is subtract 4/3 from 19/3 to get 15/3
4 0
3 years ago
Jorge (J), Marcus (M) and Ren (R) want to pool their Pokemon cards together. Jorge has two times the amount of cards that Marcus
Oxana [17]

Answer:

Marcus has 494 cards.

Jorge has 988 cards.

Ren has 518 cards.

Step-by-step explanation:

Let x  represent Marcus's cards.

M  +   J   +   R

(x) + (2x) + (x+24) = 2000

x + 2x + x + 24 = 2000

4x +24 =2000

4x = 1976

x = 494

7 0
3 years ago
Other questions:
  • Tom won $30,000 in the lottery. He put all of it in an
    11·1 answer
  • Whats the answer to this problem 9x+10=2001-X
    10·2 answers
  • Solve the following system of equations<br> -2x+y=1<br> -4x+y=-1
    11·2 answers
  • Please help! I have a bunch more I will be posting as well , thank you! (:
    9·1 answer
  • What is the area of this polygon
    13·1 answer
  • Plz, help! NO LINKS!!
    6·1 answer
  • A farmer divided his piece of land into 2 equivalent groups and the quality of the soil is the same in both of these groups. He
    9·1 answer
  • Prove that parallelogram circumscribing a circle is a rhombus​
    11·1 answer
  • Can someone plz help me
    6·1 answer
  • Mason compares two plans for an online book club.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!