Question

let f (x) = -5x + 3 and g(x) = 6x - 2. Find f x gand its domain

Answer 1

@bibby

Answer 2

does that mean f(x)*g(x)?

Answer 3

yes

Answer 4

fxg=(-5x + 3) (6x - 2)

Answer 5

ok

Answer 6

so how do I solve it

Answer 7

Multiply term by term.
\((-5x + 3) (6x - 2)=(-5x*6x)-(-5x*2) + (3*6x)-(2*3)\)

Answer 8

pretty sure I just messed something up hold on

Answer 9

ok

Answer 10

looks alright.\(-30x^2+28x-6\)

Answer 11

so would it be −30x2+28x−6; all real numbers or all real numbers except x = 1/3??

Answer 12

so will it be -30x^2 + 23x - 6; all real number or all real number except 1/3?

Answer 13

do you know??

Answer 14

why won't 1/3 work?

Answer 15

idk thats one of the options we have

Answer 16

If it is in the domain of both functions, it will be in the domain of the product of the functions.

Answer 17

Oh okay! Thank you guys! :)