Question

see picture please help

Answer 1

the domain of f+g is (-infinity,+infinity)
f+g simplified is 2*x^2-12*x+18

Answer 2

whats * mean?

Answer 3

f-g is 2*x^2-14*x+24

Answer 4

* means multiply

Answer 5

the domain of f-g should aslo be (-infinity,+infinity) I think but i dont see it in the screen shot :(

Answer 6

yeah its there look at the second picture

Answer 7

oh i see the secong pic now :)
f/g is 2*x-7 I am pretty sure it simplifies to that and be careful with division by zero

in other words in denominator x cannot equal 3 :)

Answer 8

do you know (fg)*x=?

Answer 9

hold on i'll get it :)

Answer 10

well if you factor it it is (x-3)^2*(2*x-7)

Answer 11

domain is infinity to infnity also

Answer 12

what about the domain for f/g please

Answer 13

wiat for fg i think it is 2*x^3-19*x^2+60*x-63

domain of f/g is the second one the second choice the one with the U

Answer 14

this site should help you a lot http://www.numberempire.com/simplifyexpression.php

Answer 15

thank you so much!!

Answer 16

You are welcome did i get them right :D?