Exponential Functions Key Features Word Problems

Which of the following statements are true about the function below? Select all that apply.
f\left(x\right)=0.5\left(2\right)^x-1

• The function represents exponential growth

Which equation models the graph?

Which of the following statements are true of the exponential function? Select all that apply.

• The graph has been shifted up 3 units from the parent function.

• The function represents exponential growth.

Which function models the values in the table?

A new savings account is opened with $400 and gains 3% every year. What is the exponential function?

y = ​ (a)   ( 1 ​ (b)   ​ (c)   )^x (^ means to power of x - x is the exponent)

• 400

• +

• 0.03

• 3

• 0.3

• 0.97

• 4

• $2677.5

• $19361.1

• $3254.52

• $6231

Eduardo currently has 500 followers on TikTok. He makes a video after the basketball game and it goes viral! Since he became internet famous, the number of followers is increasing by 25% daily. Write an exponential function that represents the relationship between x, the number of days since Eduardo posted the video and y, the total number of followers Eduardo has.

Mathematical Equivalence

ON

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AI.9.9.C

• $2677.5

• $19361.1

• $3254.52

• $6231

• 19

• 17

• 38427

• 38425

• 38

• 19

• 17

• 38427

• 38425

• 38