Question

Which of the following functions shown in the table below could be an exponential function?

Answer 1

A. f(x)

B. g(x)

C. h(x)

D. k(x)


**choose ALL that apply!! and pls explain :) thanks!

Answer 2

Exponential means you can find a common ratio between terms

Answer 3

okay so f(x) is an answer right?? cuz its always +2 ?

Answer 4

and g(x) doesn't have a common ratio...

Answer 5

and neither does h(x) or k(x) right?? so is my only answer here A. f(x) ??? @phi :)

Answer 6

a ratio is the n+1 term divided by the nth term

a common difference like +2 means a linear function: it goes up by 2 at each term

Answer 7

ohh okay then idk... :( can u pls show me?

Answer 8

and we are looking for exponential function so f(x) is NOT an answer here then?

Answer 9

g looks like a common ratio of 0.7
0.7^x

h(x) looks like 1.6^(x+3)
k(x) looks like a parabola (it goes down, then back up)

Answer 10

okay so my only answers are C. h(x) and D. k(x) ???

A and B don't work here?? C and D are my answers??

Answer 11

I believe so

Answer 12

kk thanks!! :)

Answer 13

whoops, g and h not k

Answer 14

ohhh okay haha so B. g(x) and C. h(x) are my answers? :)

Answer 15

@phi :)

Answer 16

yes B and C

Answer 17

kk thanks !!