Solve for x. Round to the nearest tenth. 70 13

Why do interests rates on loans to be lower in a weak economy than in a strong one

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g