Luke has two children. Each of Luke's children has two children. Each child after that has two children. If Luke's children represent the first generation of the family, which type of function would best model the number of children in the nth generation of the family? A. linear function of n B. quadratic function of n C. square root function of n D. exponential function of n

Hours. Suppose AT&T charges $6.01 for a 7-minute call to Sweden and $6.79 for an 8-minute Can to Sweden. Suppose that MCI charges $0.66 a minute plus a $1.99 overseas connection fee. a. Write a function that represents how much AT&T charges. Define your variables. b. Write a function that represents how much MCI charges. Use the same variable definitions as no. you did in part (a). c. Use an algebraic method (solve the two equations from parts (a) and (b) using substitution) to determine the length of a phone call that results in the same charge for both companies 83

Write an equation for the function graphed below D N y 1 -7 -6 -5 -4 -3 -2 -1 ¡-1 -2 -3 1-5- 1 2 3 4 5 6 7 O HELE

Ethan has a total of $5,800. He deposits $4,500 into a savings account which earns an annual interest of 4.8%. Which function could be used to model the amount of money, D, that Ethan has as a function of time, t, since the deposit was made, if he does not spend any of the money he started with? Group of answer choices