Ask
your own question, for FREE!
Mathematics
7 Online
OpenStudy (texmechanica):
Find f(-2). f(x) = 9x2 - 5x + 2 A) 14 B) 18 C) 28 D) 48
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (texmechanica):
@AihberKhan Please help.
OpenStudy (texmechanica):
@imqwerty Please help.
imqwerty (imqwerty):
f(-2) is nothing but the value of \(f(x)\) when you put x=-2 in that expression :) so \(f(x)=9x^2-5x+2\) putting x=-2 :) we get this- \(f(-2)=9(-2)^2-5(-2)+2\) now find the value of expression on right to get the answer :)
OpenStudy (texmechanica):
Geez, if this is easy for you then what grade are you in?
imqwerty (imqwerty):
11th :)
Still Need Help?
Join the QuestionCove community and study together with friends!
OpenStudy (texmechanica):
Gg.
OpenStudy (texmechanica):
9 th.
imqwerty (imqwerty):
:)
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Timmy23:
The miles stretch out like empty track, A heavy weight I cannot pack. You mean the world, you mean the sun, Yet here we are, the hard work doneu2014 Or tryi
EdwinJsHispanic:
Sad how it was so easy to make you say yes. Also sad how I really thought you would say no but you said the one word I'd never thought you'd say.
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
Timmy23:
The miles stretch out like empty track, A heavy weight I cannot pack. You mean the world, you mean the sun, Yet here we are, the hard work doneu2014 Or tryi
5 hours ago
3 Replies
0 Medals
EdwinJsHispanic:
Sad how it was so easy to make you say yes. Also sad how I really thought you would say no but you said the one word I'd never thought you'd say.
14 hours ago
1 Reply
0 Medals
thereneelg:
Okay....I'm doing a group solo for choir. Auditions are Tuesday (?), Any tips on
10 hours ago
1 Reply
0 Medals
Arizona:
my Rolling stone airpods won't connect and I got them about a year ago is there t
1 day ago
3 Replies
0 Medals
Arizona:
can someone check out my essay i'm doing in my senior English class about the McD
2 days ago
1 Reply
0 Medals
IcedShots:
I was wondering, is there anybody on here around my age? Im turning 15 on December 1 ud83dude0a.
2 days ago
3 Replies
0 Medals
thatonenerd:
Use Hvap of water = 40.7 kJ/mol, c of water = 4.184 J/g.u00b0C, and molar mass of HO = 18.
3 days ago
5 Replies
0 Medals
letrasbonitasz:
Typography plays an important role in digital communication. Different font styles can make social media profiles, usernames, messages, and creative designs
5 days ago
3 Replies
1 Medal