SSATSuite
Know Your Keywords — Math, Standard

Point 5Time period for exponential functions

What do we see?

Exponential functions with fractional powers.

What do we understand?
  • Plug in exponent = 1 and solve for the value of t.
  • Notice the units before reporting your answer.

Question 1 of 4

P = 623(1.08)2t3

The equation above can be used to model the population, in thousands, of a certain city t years after 1980. According to the model, the population is predicted to increase by 8% every n months. What is the value of n?