CCSS HSF-BF.A.1 Worksheets
Algebra 1 · Building Functions
Write a function that describes a relationship between two quantities, determining an explicit expression or steps for calculation from a context.
Below are free printable worksheets that support HSF-BF.A.1. Print them as PDFs, or generate a fresh one. Every math answer key is computed in code, so it is never wrong.
Teaching guide
What students learn
Write a function that describes a relationship between two quantities, determining an explicit expression or steps for calculation from a context.
Worked example
A table shows f(0) = 2 and f(1) = 4, growing by a constant factor each step. Write the exponential function f(x) = a·, then find f(3).
Answer: f(x) = 2·; f(3) = 16
Why: a = f(0) = 2. b = f(1)/f(0) = 42 = 2. f(3) = 2 x = 2 x 8 = 16.
Generated and checked in code, so it is correct.
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