Decide whether the function is an exponential growth or exponential decay function and find the constant percentage rate of growth or decay.
$f(x) = 7.2 ⋅ 1.08^x$
Exponential growth function; 8%
Exponential decay function; 108%
Exponential growth function; 108%
Exponential growth function; 0.08%

Question

Decide whether the function is an exponential growth or exponential decay function and find the constant percentage rate of growth or decay.
$f(x) = 7.2 ⋅ 1.08^x$
Exponential growth function; 8%
Exponential decay function; 108%
Exponential growth function; 108%
Exponential growth function; 0.08%

sleepyjess · Answer

I think it is A but I'm not 100% sure

sleepyjess · Answer

@amistre64

amistre64 · Answer

A seems fair to me .... but lets dbl chk

amistre64 · Answer

its like a compound interest formula to me

amistre64 · Answer

let x=0

(0,7.2)

let x=1

(1,7.776)

(7.776-7.2)
----------  = .08,  or 8% increase
      7.2

sleepyjess · Answer

ok thank you so much! I was trying to decide between A and D but was leaning mostly towards A