Question

QUESTION 1

1. If f(x) = x2 and g(x) = x + 3, find (f + g)(x).









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3 points
QUESTION 2

2. If f(x) = x2 and g(x) = x + 3, find (f - g)(x).









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3 points
QUESTION 3

3. If f(x) = x2 and g(x) = x + 3, find (fg)(x).








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3 points
QUESTION 4

4. If f(x) = x - 1 and g(x) = 2x - 3, find (f + g)(x).









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3 points
QUESTION 5

5. If f(x) = x - 1 and g(x) = 2x - 3, find (f - g)(x).









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3 points
QU

Answer 1

is your question look like this :-
1) f(x)+g(x)

Answer 2

for which

Answer 3

for your question 1

Answer 4

f(x) = x2 and g(x) = x + 3, find (f + g)(x).

Answer 5

(f+g)(x) doesn't make sense
rather it would be like this f(x)+g(x)

Answer 6

do you know the answer ?
i can confirm it then

Answer 7

I'm trying to solve it
I'm having trouble

Answer 8

do you know the answer ?

Answer 9

no

Answer 10

just add the equations and subtract them :)

Answer 11

could you show me one? just to be sure i got this

Answer 12

ok! i'll show you

Answer 13

for question 1
\[\large \bf f(x)=x^2~~~and~~~g(x)=x+3\]
\[\large \bf (f+g)x=f(x)+g(x)\]
All you need to do is just add both equations.

Answer 14

ok

Answer 15

and then?

Answer 16

so what you get ?

Answer 17

you need to add them only,you'll get your answer

Answer 18

so tell me what you get after adding both equations ?

Answer 19

do you just add the

Answer 20

okay
i'll do one for you

Answer 21

f(x)+g(x)=x^2+x+3=ANSWER

Answer 22

understood ?

Answer 23

yes

Answer 24

great

Answer 25

now move on to second one

Answer 26

so your answer is one number?

Answer 27

nope

Answer 28

answer is whole term

Answer 29

\[\large \bf \boxed{x^2+x+3}=\color{red}{Answer}\]

Answer 30

ok thanks

Answer 31

now can we move on to second question ?
can we ?

Answer 32

yes

Answer 33

\[\large \bf (f-g)(x)=f(x)-g(x)\]
all you need to do is subtract the equations

Answer 34

just plug in the values of f(x) and g(x) in above equation,you'll get your answer

Answer 35

f x 2- 3?

Answer 36

kinda like that

Answer 37

so your answer to second question is :-
x^2-(x+3)=x^2-x-3

Answer 38

I'm sorry I'm really bad at these

Answer 39

lol no problem

Answer 40

so i missed the x

Answer 41

yep

Answer 42

thanks