What rule can be used to find the next term of the arithmetic sequence? 39, 60, 81, 102, 123, .
a. an = an–1 – 39
b. an = an–1 – 21
c. an = an–1 + 21
d. an = an–1 + 39

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]