Virginia SOL Algebra I exponential and comparing functions quiz (A.F) quiz

A table shows $f(0) = 3$, $f(1) = 6$, $f(2) = 12$, $f(3) = 24$. Which equation models it?

In the function $f(x) = 500(0.8)^x$, what does the $500$ represent?

A town of $8000$ people grows $3\%$ per year. Which function models the population after $t$ years?

A car worth \20{,}000$loses$15%$ of its value each year. Which function models its value?

An arithmetic sequence is $7, 11, 15, 19, \dots$. Using $a_n = a_1 + (n - 1)d$, find the $20$th term.

Which sequence is geometric?

Find the $6$th term of the geometric sequence $5, 10, 20, 40, \dots$.

A table has $x = 0, 1, 2, 3$ and $y = 4, 12, 36, 108$. Which type of function is it?

Over time, which function eventually grows faster than any linear function, no matter the slope?

A base of $0.90$ in a decay model represents what percent decrease per period?

A table shows differences of $+5, +5, +5$ over equal steps. Which family is it?

Which situation is best modeled by an exponential function?