Answer
y= 129 (1.63)^x is exponential growth
The y intercept is 129
Work Step by Step
Exponential growth is defined by 1+ the rate. Exponential decay is 1 - the rate.
To find the y-intercept, where x is 0, fill in x as 0 in the equation.
So... 129 (1.63)^0.
With order of operations, do the exponents first, so 1.63^0= 1, which means
129(1)= 129.
So y=129 or the y-intercept equals 129 because when x is 0, the y coordinate is 129.
