The equation for exponential decay is

, where <em>a</em> is the initial amount, <em>b</em> = 1 + <em>r</em> (the growth rate as a decimal number) and <em>x</em> is the number of time periods (in this case, minutes). Substituting the information we have:

. To the nearest tenth of a gram, this would be 1.0 grams.
Answer:
y=1/4x+7/4
Step-by-step explanation:
i think its right
Answer:
i believe true
Step-by-step explanation:
sorry if wrong
I think the first numerator cant be Z so I solved the question assuming it is 2;
Answer:
(x,y,z)=(1,5,7)
Hope this helps.
Look at the picture.
The x-intercepts are where the graph crosses the x-axis, and the y-intercepts are where the graph crosses the y-axis.
x-intercept (-250, 0)
y-intercept (0, 100)