definition of derivative, determine whether
1/2(t+ 5),0< t≤1 is differentiable at t= 1
√t+ 2, t >1
3. FM Corporation is a company that manufactures face masks. For everyxthousand pieces of facemask sold, the company’s revenue (in thousand pesos) isR(x) =x(5 +x),x≥0.
a. If the company soldxthousand pieces of face mask, find the company’s marginal revenue.Note: Marginal revenue is the increase in revenue that results from the sale of one additionalunit of output.
b. Find the number of face mask sold if the company has a marginal revenue of Php 25,000.