The function f(x) varies inversely with x and f(x)= -10 when x = 5
what is the inverse variation equation?

a. f(x) = -2/x
b. f(x) = - 50/x
c. f(x) = - 0.5/x
d. f(x) = -5/x

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?