241 Answered Questions for the topic Exponential Functions

05/24/19

A new car is purchased for 17000 dollars. The value of the car depreciates at 12.25% per year. What will the value of the car be, to the nearest cent, after 14 years?
Follows • 0
Expert Answers •1

05/24/19

Start of Questions An exponential function f ( x ) = a β‹… b x f ( x ) = a β‹… b x passes through the points (0, 3000) and (3, 375). What are the values of a a and b b ?
Follows • 2
Expert Answers •1

03/27/19

3400 dollars is placed in an account with an annual interest rate of 8.25%. How much will be in the account after 25 years, to the nearest cent?
Follows • 1
Expert Answers •1

03/24/19

solve for a b c and d exponential functions

suppose 𝑓(π‘₯)=π‘₯+4and𝑔(π‘₯)=2π‘₯βˆ’5 thenA.) (π‘“βˆ˜π‘”)(π‘₯)=B.) (π‘“βˆ˜π‘”)^βˆ’1(π‘₯)=C.) (𝑔^βˆ’1βˆ˜π‘“^βˆ’1)(π‘₯)=D.) (𝑔^-1∘f^-1)(x)=
Follows • 1
Expert Answers •1

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
Follows • 1
Expert Answers •1

02/04/19

A new car is purchased for 18000 dollars. The value of the car depreciates at 13.5% per year. What will the value of the car be, to the nearest cent, after 14 years?
Follows • 1
Expert Answers •1

01/03/19

A town has a population of 16000 and grows at 2% every year. To the nearest tenth of year, how long will it be until the population will reach 20100
Follows • 1
Expert Answers •1

12/18/18

Explain or demonstrate why the product rule of exponents, b^xb^y=b^x+y, is true for positive integer values of x and y.
Bx by=bx+y
Follows • 2
Expert Answers •1

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.
Follows • 1
Expert Answers •1

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=Β  C=Β  Β 
Follows • 2
Expert Answers •1

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 Β  Initial grams? After 100 years?
Follows • 3
Expert Answers •1

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
Follows • 1
Expert Answers •1

09/09/18

EXPONENTIAL EQUATIONS & FUNCTIONS
A culture of bacteria doubles in weight approximately every 2.5 hours. The number of bacteria after t hours later can be approximated by 𝑁(𝑑) = 175(2.5)t a) How many bacteria would there be... more
Follows • 2
Expert Answers •1

08/20/18

Exponential Functions
The population of a city was about 1.78 thousand in the year 2014, with an annual growth rate of about 1.3%. This situation is represented by the growth function P(t)=1.78(1.013)t , where t is the... more
Follows • 2
Expert Answers •1

08/08/18

Exponential Functions
If we invest $4,000.00 in an investment account paying 1% interest compounded monthly, how much will the account be worth in 7 years? Β Β Β Β Β Β Β Β Β Β A(t)=P(1+r/n)nt. The account in 7 years will be worth
Follows • 2
Expert Answers •1

08/08/18

Exponential Functions
The population of a city was about 1.78 thousand in the year 2014, with an annual growth rate of about 1.3%. This situation is represented by the growth function... more
Follows • 2
Expert Answers •1

08/08/18

Exponential Functions
A 529 Plan is a college-savings plan that allows relatives to invest money to pay for a child's future college tuition; the account grows tax-free. Lily wants to set up a 529 account for her new... more
Follows • 2
Expert Answers •1

08/08/18

Exponential Functions
The population of a city was about 1.78 thousand in the year 2014, with an annual growth rate of about 1.3%. This situation is represented by the growth function P(t)=1.78(1.013)tΒ Β Β ... more
Follows • 2
Expert Answers •1

08/08/18

Exponential Functions math word problem
A bacteria culture starts with 620620 bacteria and grows at a rate proportional to its size. After 44 hours there will be 24802480 bacteria. Β  1) Express the population P after t hours as a... more
Follows • 3
Expert Answers •2

08/08/18

Exponential Functions help
Radon-222 decays at a continuous rate of 17.3% per day. How much will 500 mg of Radon-222 decay to in 10 days? Β  So____?_____ mg of Radon-222 will remain. (Round answer to 5 decimal places)
Follows • 2
Expert Answers •1

08/08/18

math problem
Find the time it takes for $6,600 to double when invested at an annual interest rate of 19%, compounded continuously. Β  _______ years? Β  Β  Find the time it takes for $660,000 to double when... more
Follows • 2
Expert Answers •1

08/08/18

Exponential Functions word problem
A person invested $3,500 in an account earning a nominal 7% per year compounded continuously. How much was in the account at the end of 5 years?A(t)=Pert Β  $_________ please round answer to 2... more
Follows • 2
Expert Answers •1

08/07/18

Exponential decrease
A medicine is given with a dosage of 30mg, during the first 4 hours 17.7 mg of the drug is broken down. A body generally does this exponentially. Β  What is the rate of decay? When writing it as a... more
Follows • 2
Expert Answers •1

08/06/18

When Facebook was founded it had three initial users. At the end of each month the computers determine the number of users by 75%
When Facebook was founded it had three initial users. Now, since so many people use Facebook, they use computers to calculate the total users. At the end of each month, at midnight, the computers... more
Follows • 1
Expert Answers •1

08/03/18

Exponential function
K(t) = 50Β Β· 0.65t Β  with t the time in hours. Β  For this formula calculate the growth factor per 15 minutes. Β  And, the forumila K(t) can be rewritten in a form t= A log(K) + B. Do this to... more
Follows • 1
Expert Answers •1
1 3 4 5 6 7 … 10

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.