Does each function describe exponential growth or decay? y=100(1 - 1/2)^t

y=0.1(1.25)^t

y={(1 - 0.03)^1/2}^2t

y=426(0.98)^t

y=2050(1/2)^t

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4