Which of the following compositions show that f(x) is the inverse of g(x) A: f(g(x)) = x and g(f(x)) = x
B: f(g(x)) = f/g and g(f(x)) = g/f
C: f(g(x)) = 1 and g(f(x)) = 1
D: f(g(x)) = 0 and g(f(x)) = 0

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?

Joe bought 4.25 pounds of pears for $7.18. if the equation 4.25x = 7.18models the situation, what does the variable stand for?