Write an exponential decay function to model each situation. Compare the average rates of change over the given intervals. 21.) Initial Value: 50
Decay Factor: 0.9
1<x<4
5<x<8
22.) Initial Value: 25
Decay Factor: 0.8
2<x<4
6<x<8

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.

The difference between the number of electoral votes for florida and north carolina is 12 votes. write and solve a subtraction equation to find a number of electoral votes for florida.

Mark, taylor, & brian's ages are consecutive whole numbers. mark is the youngest, and brian is the oldest. the sum of their ages is 111. how old is mark? a) 34 years old b) 35 years old c) 36 years old d) 37 years old