Question

Please help! Fan and medal will be given. Thank you in advance:)

Find the annual percent increase or decrease that y = 0.35(2.3)^x models.
A. 230% increase
B. 130% increase
C. 20% decrease
D. 65% decrease

Answer 1

each x value increase by 1, the 0.35 value is multiplied by another factor of 2.3,

if x is in years, then yeah that is the increase rate 2.3 each year

Answer 2

Okay, thank you very much :) @DanJS

Answer 3

is it 230% or 130%

Answer 4

maybe, put (1 + 1.3) to see that the change in the value, is 1*value +1.3*value additional

Answer 5

original + increase
the original value + 1.3*value

Answer 6

the increase was 130%

take for x=0, and x=1

y is 0.35 , and .805

the change in value is the increase .805 - .35 = 0.455


0.455 is is 1.3*0.35, the amount of change is 130% of the last value