Exponential Functions Interpreting

Which of the equations below represent this table?

• y=3⋅(36)^x

• y=36⋅(3)^x

• y=3⋅(⅓)^x

• y=36⋅(⅓)^x

Which function models this table?

Which table represents the following equation?

• 
• 
• 
• 

x       y
0       1
1       4
2      16
3      64

• y = 1(4)^x 

• y = 4(2)^x

• y = 1(1/4)^x

• y = 64 (1/4)^x

Which exponential function best models the following data?

• y = 10(0.2)^x

• y = 20(0.5)^x

• y = 10(0.5)^x

• y = 20(0.2)^x

Use the initial value and common multiplier to identify the correct equation for this table:

Write the equation of the exponential function for the given table of values.

What is the Y-intercept? ______ What is the Ratio? _____ What is the Exponential Equation? f(x)=_____________

Which exponential function models this situation?

• v(x) = 9,000(1.1)^x

• v(x) = 9,000(0.9)^x

• v(x) = 8,100(1.1)^x

• v(x) = 8,100(0.9)^x

Answer explanation

When you are given a table and the answer choices are equations, you can put each answer choice in y = and then press 2nd graph. Match the table with the equation.

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Benjamin has a savings account that his Nana created when he was born and let it sit for 30 years without any further deposits or withdrawals. What is a function that best represents the data?