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
pshichka [43]
3 years ago
8

Evaluate f(−3) for f(x)=2x2−x+5.

Mathematics
1 answer:
Natasha2012 [34]3 years ago
7 0

Answer: -4

Step-by-step explanation:

2(-3)*2-(-3)+5= -4

You might be interested in
7. If A = 2x + 3 and B = x^2 - 5x + 1, what is the value of A-5B?​
taurus [48]

Answer:

\huge \boxed{ \boxed{ \tt  - 5 {x}^{2}  + 27 x- 2}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • algebra
  • PEMDAS
<h3>given:</h3>
  • A=2x+3
  • B=x²-5x+1
<h3>to find:</h3>
  • A-5B
<h3>let's solve:</h3>

step - 1 : define

A-5B=2x+3-5(x²-5x+1)

step - 2 : solve

  1. distribute -5 to the parentheses:2x+3-5x²+25x-5
  2. rewrite:-5x²+2x+25x-5+3
  3. combine like terms:-5x²+27x-2

and

we are done

7 0
3 years ago
The sum of three consecutive integers is 345. find the three integers.
Yanka [14]
X - 1 + x + x + 1 = 345
Consecutive means that each member differs by one. Put another way you add one to the previous number to get the next number.

3x = 345
x = 115
x - 1 = 114
x + 1 = 116
5 0
3 years ago
Read 2 more answers
HELP ME PLEASE I NEED THIS
adelina 88 [10]

Answer:

ok

Step-by-step explanation:

k5d7utlt

g jtzdiyrduttfoflntilljtzoyr

j tulvou

vo

by

ofpi75pfigx86eEihacjvaugihcipbapftifqoydhuqphdo

hapbiiiaF1qjsjiquhckqkaknOHDIQQH

INEIHHHohoqd

w2

wjvjlqbbou

ia

I

ihvqiv

aihufobappuwbpahwyoqvoyefyugfo3ubufupbf

ajYVIVvoap

PHGyp68f0wouvojang7ugoHUPUBPPRIHE077FH70EHFH3HPIg709fgepnivm3mc .kiwi

aonnipvhiprwpihq08t2g727rbpiqf6uophvwrnpivie

3 0
4 years ago
Lo is leaving from work today at 5:45 p.m. She has errands to run before she meets her friends for dinner at 8 p.m. If it takes
siniylev [52]
The answer would be B.
8 0
3 years ago
Read 2 more answers
Will give brainliest
xxTIMURxx [149]

(1, 5)

slope = -9

from,

y - y1 = m(x - x1)

y - 5 = -9(x - 1)

y= -9x + 9 + 5

y = -9x + 14.

7 0
3 years ago
Other questions:
  • Elizabeth makes earrings she makes 7 pairs in 3 hours .about how long does it take her to make 1 pair
    12·1 answer
  • How do you solve (2x^5)(6x^4)
    9·1 answer
  • John gets to play a total of 96 songs at his school dance. He wants twice as many fast songs, ​y, as ​ slow dance songs, ​x. Wri
    14·1 answer
  • -3x-y=14<br> 9x- =-27<br><br> Use the method of substitution to solve
    11·1 answer
  • I need help<br> Geometry
    6·1 answer
  • Use fundamental identities to simplify the expression below and then determine which of the
    15·1 answer
  • Is this right??? if not helpp
    15·1 answer
  • Jayda has 0.5 of her backyard set up for growing vegetables. Of the vegetable area, 0.4 has bell peppers in it. What part of the
    9·1 answer
  • You are surveying students to find out their opinion of the quality of food served in the school cafeteria. Which of the followi
    12·1 answer
  • A 36 foot long pole is cut into two pieces with the ratio lengths equal to 5:7
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!