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Nov 11, 2023 •384 likes •637 views

Does this table represent an exponential function? x y 0 4 1 1 12 12 2 36 3 108 What is the general equation of this exponential function? x y 0 4 1 1 12 12 2 36 3 108 x 2 + 14 14 2 2 = A bank advertises a college

  1. Does this table represent an exponential function? x y 0 4 1 1 12 12 2 36 3 108

  2. What is the general equation of this exponential function? x y 0 4 1 1 12 12 2 36 3 108

  3. x 2 + 14 14 2 2 =

  7. A bank advertises a college investment fund that has a 6.7% APR that is compounded quarterly. Write an exponential function that models the balance of an account with an initial investment of $5,000 as a function of time in years.

  8. Mr. Ward bought his car for $15,000. The value of Mr. Ward’s car will depreciate by 9% per year. Write an exponential function that models the value of Mr. Ward’s car as a function of time in years.

  9. Mr. Ward bought his car for $15,000. The value of Mr. Ward’s car will depreciate by 9% per year. Write an exponential function that models the value of Mr. Ward’s car as a function of time in years. Same function! When will Mr. Ward’s car be worth $8,000?

  10. Suppose that today you invest some money into a savings account that grows to the amount t / 10 A ( t ) 1000 2 = ⋅ in t years. A) How much money did you invest? B) How long will it take to double your money?

  14. Find the exponential function f such that: f (0) = 3 f (1) = 15

  15. A bacteria triples every 12 days. The population is P 0 . What will the population P ( t ) be after t days?

  16. Johnny invests $6000 in a savings account that earns 6% interest compounded continuously. How much will be in his account after 3 years? Round to the nearest dollar.

  20. The newly discovered element Umadbromiam has a half-life of 17 days. Write the function that models the amount of the element left after t days. Let A 0 represent the initial amount of umadbromiam.

  21. What is the domain and range of the graph of: x 4 ⋅ 3 y =

  22. y = 3 x

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