For all values of x,
f(x) = 2x - 6
and
g(x) = x2 + 2
a) Find g(3)
b) Find fg(3)

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?