Question

Does the following equation represent growth or decay? y = 2(4)^-x

Answer 1

Come on dude I just told you how to solve it.

Answer 2

i dont get it

Answer 3

Do the numbers increase or decrease as you start pluging in numbers for x

Answer 4

idk

Answer 5

Plug in some numbers.

Answer 6

domyhomework.com

Answer 7

what part dont you understand?

Answer 8

the whole thing.

Answer 9

Do you know what the definition of growth or decay is>?

Answer 10

im assuming it means whether the number increases or decreases.

Answer 11

Yes. So as you plug in numbers for x starting from zero and going higher. Do the values increase of decrease?

Answer 12

When you plug in x what is the value you get?

Answer 13

but unlike the last problem the exponent is negative x...does that effect the process?

Answer 14

so should the number I plug in be a negative number?

Answer 15

yes

Answer 16

ok then what will happen if you plug in 1 for x?

Answer 17

What do you get?

Answer 18

-8?

Answer 19

there should not be a negative value.
\[x^{-1} = \frac{1}{x^1} \]

Answer 20

so \[4^{-1}= \frac{1}{4^{1}}\]