An initial population of 640 quail increases at a annual rate of 18%. write an exponential function to model the quail population
( a). f(x)=640(1.18)^x
(b). f(x)=640 (0.18)^x
(c). f(x)= (640×0.18)^x
(d). f(x) =640 (18)^x

Brian has an unlimited number of cents (pennies), nickels, and dimes. in how many different ways can he pay 1414cents¢ for a chocolate mint?

What is the pattern in the values as the exponents increase?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?