Algebra: Writing Exponential Growth and Decay Functions Write exponential functions in the form f(x) = ab^x (where b is a rational number) to describe problems arising from mathematical and real-world situations, including growth and decay. Based on TEKS standard A.9(C) 12 Questions by Math_by_Kahoot 01/09/2018 answers Play N/A plays In the function f(x) = ab^x what does the variable a represent? a is the growth or decay factor a is the independent variable a is the initial value a is the dependent variable Which exponential function represents the relationship shown in the table? g(x) = 4(0.25)^x g(x) = 4(¼)^x g(x) = 0.25(4)^x g(x) = (¼)(4)^x Which function can be used to find the number of bacteria present at the end of h hours? f(h) = (1,000)(0.2)^h f(h) = (1,000)(0.8)^h f(h) = (1.2)(1000)^h f(h) = (1,000)(1.2)^h … and 9 more awesome questions! Check them out by clicking “Play”.