Algebra 1 | Unit 5: Introduction to Exponential Functions | End-of-Unit Assessment

The population of a city increases by 5% every year. If its population today is 300,000, what will its population be in 2 years?

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HSA-SSE.A.1.a

At the beginning of the year, the number of books owned by a library was 10,000. Since then, it has grown by 1% each month. Which expressions represent the number of books, in thousands, owned by the library 5 years later if it continues to grow at that rate?

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HSF-IF.C.8.b

HSA-SSE.A.1.b

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HSA-SSE.A.1.a

A savings account earns 8% interest each year, compounded quarterly (4 times a year). If a person invests $100 and makes no further deposits or withdrawals, what is the balance in the account after 3 years?

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HSF-IF.C.8.b

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HSA-SSE.A.1

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HSA-SSE.A.1

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HSF-LE.A.1

When a child is born, her grandfather decides to put $100 in an account that earns interest. He plans to make no other deposits or withdrawals for 18 years. When the child turns 18 years old, the money in the account will be a birthday gift. The grandfather is choosing between two options: Option 1: An account that grows by 10.5% each year. Option 2: An account that grows by $20 each year. Which option will result in a better 18th birthday gift? Explain your reasoning.

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HSF-LE.A.3