The amount of money in an investment account can be modeled by the function Z(t)=4000(1.2)^{2t+2}.Z(t)=4000(1.2 ) 2t+2 . Write an equivalent function of the form Z(t)=ab^t. Z(t)=ab t .

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?

Find the sum of the given arithmetic series. 24 + 17 + 10 + 3 + + (–39)