Question

Find the Domain of f(x) 3x^2+2x-5

Answer 1

is the any way the function can be undefined?

Answer 2

D: all real values of x

Answer 3

ALL REAL as it cannot not be undefined

Answer 4

I guess all real?

Answer 5

Yup , since its a parabola

Answer 6

so the whole problem is undefined?

Answer 7

yes
start with assumption domain is All reals, then look for possible points where it might be undefined (dividing by zero, negative in a square roots ..)

Answer 8

It cannot be undefined.. if you were to put any number from -infinity to infinity , the function would still output a value i guess you could say

Answer 9

Thankyou dumbcow that was very helpful