Question

Sonia works at a bakery. The function f(x) represents the amount of money Sonia earns per loaf, where x is the number of loaves she makes. The function g(x) represents the number of bread loaves Sonia bakes per hour, where x is the number of hours she works. Show all work to find f(g(x)), and explain what f(g(x)) represents.
f(x) = 9x2 + 1
g of x equals the square root of the quantity 2 x cubed

Answer 1

A function assigns the value. The function f(g(x)) represents the amount that Sonia will earn per hour by baking bread.

What is a Function?

A function assigns the value of each element of one set to the other specific element of another set.

Given f(x)=9x²+1 and g(x)=√(2x³). Therefore, the value of f(g(x)) will be,

$f(g(x)) = 9(\sqrt{2x^3})^2 + 1$

            = 9(2x³) + 1

           = 18x³ + 1

The function f(g(x)) represents the amount that Sonia will earn per hour by baking bread.

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