Identify the initial amount a and the rate of growth r (as a percent) of the exponential function y=12(1.05)^t. Evaluate the function when t=5. Round your answer to the nearest tenth.

Respuesta :

The value of the function when t=5 is 15.32

Initial amount f(0) =12

Rate of growth dy/dt = 0.59([tex]1.05^t[/tex])

Given function is:

[tex]y = 12(1.05)^t[/tex]

What is a function f(x)

A function is a rule which defines a relationship between independent variable x and dependent variable f(x).

So, function value at t = 5 will be:

f(5) = [tex]12(1.05)^5[/tex]

f(5) = 15.32

For initial amount put t=0 in function

f(0) = [tex]12(1.05)^0 =12[/tex]

Rate of growth dy/dt = d/dt ([tex]12(1.05)^t[/tex]) = [tex]12ln(1.05) 1.05^t[/tex] =0.59([tex]1.05^t[/tex])

Therefore, the value of the function when t=5 is 15.32

Initial amount f(0) =12

Rate of growth dy/dt = 0.59([tex]1.05^t[/tex])

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