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252 Answered Questions for the topic Exponential Functions

Exponential Functions Calculus

18d

A population, P(t) (in millions) in year t, increases exponentially. Suppose P(6)=18 and P(12)=26.

(1) Find a formula for the population in the form P(t)=ab^t. Enter the values you found for a and b in your formula in the blanks below. Round your values to 4 decimal places.a=b=(2) If P(t)=ae^kt,... more
Exponential Functions Trigonometry Exponents

05/17/20

Derivatives of Exp. Functions

Find the general formula for the nth derivative of f(x) = e^(2x). Using the formula, evaluate nth derivative at x = 2 or f^n(1/2). -----> I got f^n(x) = 2^(n)e^(2x) for the general formula but... more
Exponential Functions Math College Algebra

04/10/20

College algebra Compound Question

My math teacher only showed us how to do this problem with a ti 85 graphing calculator. thats great and all but i don't own that kind of calculator so how do i go about this question with working... more
Exponential Functions Algebra 1

03/14/20

Question below: Need explanation. I know how to do the work but I don't really understand it

The equation of the function h is h(x)=1/2(x-2)^2. The table shows some of the values of function m. ——————————————— x ¦ 8 ¦ 10 ¦ 12 ¦ 14 ¦ —————————————— m(x) ¦ 2 ¦ 3 ¦ 4 ¦ 5... more
Exponential Functions Algebra 1

03/10/20

Question below: This is a practice question for a bigger test, I need an explanation so I can understand. Thanks

George is considering two different investment options. The first option offers 7.4% per year simple interest on the initial deposit. The second option offers a 6.5% interest rate but is compounded... more
Exponential Functions Algebra 1

02/28/20

Find the pattern

x y-2 .3751 1.50 61 243 96What is the pattern?________________
Exponential Functions Math Math

02/14/20

What do I do in the next step?

A city’s population, P (in thousands) can be modeled by the equation P x = 130(1.03)^xWhere x is the number of years after January 2000. For what value of x does the model predict that the... more
Exponential Functions Math Algebra 2

02/14/20

How do I solve this? without logarithm

A fully loaded Toyota Forerunner sells for $42,000. It depreciates 12% per year from the date ofpurchase. How many years will it take to be worth half its value?I think part of the equation is... more
Exponential Functions Math 8th Grade Math

02/05/20

Math Question .

Does either y=2x or y=2x+1 represent an exponential function?
Exponential Functions Math Math Help

02/04/20

Math Question .

Carmelita's grandmother offered to sponsor her money when she competed in her swim meeting. Her grandmother said that she will give her $1 if she swims 1 lap, $3 if she swims 2 laps, $5 if she... more
Exponential Functions Calculus

11/13/19

Exponential function

The temperature of hot water cools from 100 degrees celcius to room temperature of 5 celcius. After 11 minutes the temperature of the water is 30. Question I am trying to answer: Get the value of... more
Exponential Functions

11/04/19

A radioactive isotope has a half-life of 20 days, and decays continuously.

a. Express the amount of an initial 100-gram sample that will remain radioactive, 𝐴(𝑡), as a function of the number of days, 𝑡.b.Based on our knowledge of the half-life, we would expect that after... more
Exponential Functions Precalculus Inverses

03/24/19

solve for a b c and d exponential functions

suppose 𝑓(𝑥)=𝑥+4and𝑔(𝑥)=2𝑥−5 thenA.) (𝑓∘𝑔)(𝑥)=B.) (𝑓∘𝑔)^−1(𝑥)=C.) (𝑔^−1∘𝑓^−1)(𝑥)=D.) (𝑔^-1∘f^-1)(x)=
Exponential Functions Algebra 2 Chemistry

03/11/19

Interpreting and Using Exponential Functions

A scientist models the number of grams of a radioactive substance with the expression 15(1/2)^(d/5), where d is the number of days since the sample was measured. After how many days has half of... more
Exponential Functions Algebra 2

12/09/18

exponential functions

An exponential function, in the for f(x)=ab^x, passes through the points (2,5) and (4,180). Find b.
Exponential Functions Math Math Help

09/21/18

exponential equation identification

Find the exponential function f(x)=Ca^x whose graph goes through the points (0,2) and (3,16). a=  C=   
Exponential Functions

09/19/18

The radioactive substance cesium-137 has a half-life of 30 years. The amount A(t) in grams of cesium-137 remaining after t years is the following function

A(t)=621(1/2)t/30   Initial grams? After 100 years?
Exponential Functions

09/15/18

Exponential Function?

coolsculpting is a fairly new fat-freezing procedure. One treatment dissolves about 25% of the fat cells in the treated region. a) If a patient starts wih 5 lbs of fat in the treated region, how... more
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