Question

Evaluate the function for x = 3a.

Answer 1

f(x)=2x^2-3x+4

Answer 2

So this is saying to evaluate the function. Which basically means replace x with 3a can you do that?

Answer 3

so \[2x ^{2}-3 (3a)+4\]

Answer 4

\[2(3a)^2-3(3a)+4\]

Answer 5

okay so um order of operations right

Answer 6

Yup :)

Answer 7

okay so \[2(9a)-3(3a)+4\]

Answer 8

ugh this is confusing >~<

Answer 9

Yeah thats right keep going

Answer 10

18a-9a+4

Answer 11

OH wait actually it would be
\[2(9a)^2-3(3a)\]
And that would make it
\[18a^2-9a+4\]

Answer 12

ugh screw math >~< i hate it

Answer 13

Work at it long enough it becomes easy ^_^

Answer 14

no it becomes irritating and annoying im never ganna use math in life anyways

Answer 15

Oh sure you are. When you count your money what do you think you are using? :P

Answer 16

-.- that dont count

Answer 17

anyways 324a-9a+4

Answer 18

Is this a new question? If so please close this thread and make a new post.

Answer 19

its the same question\[2(3a)^{2}-3(3a)=4 \rightarrow (9a)^{2} - (9a)+4\rightarrow (18a)^{2} - 9a +4\]

Answer 20

Oh yea 18a^2-9a+4 is the final answer...... i think? @bibby am i right?

Answer 21

so the answer is C

Answer 22

I dont know as i have not seen the answer choiices

Answer 23

2(3a)^2-3(3a)+4
2(9a^2)-9a+4
18a^2-9a+4

Answer 24

i forgot to post them for a reason i wanted to work it out not get the answer

Answer 25

yup i was right then~

Answer 26

thanks

Answer 27

Welcome :)

Answer 28

simply plu g x=3a adnd solve for a//