Question

which of the following could be an example of a function with a domain (-infinity, infinity) and a range (-infinity, 2)
Answer choices:

y=-(3)^x-2

y=-(0.25)^x+2

y=-(3)^x+2

y=-(0.25)^x-2

Answer 1

WHAT DO YOU THINK ? @dannyrod2000

Answer 2

hmm i graphed them out

Answer 3

nope,graphing is worst choice

Answer 4

ENTER VALUES OF x FROM DOMAIN

Answer 5

and see RANGE

Answer 6

my math tutor told me i could do it this way

Answer 7

it is not better for your question

Answer 8

okay !

Answer 9

lets do it one by one

Answer 10

ok

Answer 11

first put x=-infinity

Answer 12

in option C

Answer 13

graphing them is a perfectly valid way of solvong this but its more instructive to plug in various values and see the results

Answer 14

what will you get ?

Answer 15

@dannyrod2000

Answer 16

if you are a bit put off by -infinity try pugging in a very large negative number like -10,000 What would you get with c then?

Answer 17

try it on ur calculator

Answer 18

k i will try

Answer 19

nope,i have a better idea

Answer 20

for option C)