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  Linked activity: Modelling profit and loss with linear and quadratic functions

A business wants to manufacture soap bars. Before they start production, they need to make sure they can make a profit with the materials and labour force they have. Their accountant has given them a cost and revenue equations. Cost: y=0.85x+5,000 Revenue y=1.55x What do x and y represent in each equation? The first one has been completed for you. Equation type x represents y represents Revenue equation Number of soap…

  Linked activity: Modelling profit and loss with linear and quadratic functions

  Linked activity: Modelling profit and loss with linear and quadratic functions

Define the following terms in your own words. Vertex Line of symmetry Parabola Minimum Maximum Identify the leading coefficient, middle coefficient and constant in the following functions. f(x)=x2-4x+4 f(x)=2x2+12x+50 f(x)=2x2+12x+40 f(x)=-x2-3x+4 f(x)=x2-20x+77 f(x)=2x2-5x+7 Question Leading coefficient Middle coefficient Constant a…

You can either pay or earn interest depending on whether you are borrowing or investing money. The amount of interest you pay or earn depends on the interest rate and the amount of money you borrowed or invested at the outset, or the principal. Interest can be calculated in two ways: simple interest or compound interest. Simple interest is calculated on the principal, or original, amount of a loan or investment. Compound interest is calculated…

  Linked activity: Simple versus compound interest

You have $600 to invest and have 2 options: Compound Investment Compound interest rate: 6% per year. Simple Investment Simple interest rate: 7% per year You decide to invest $300 in each account. How much will you have in each account at the end of each year? Show your working. Years Value at Compound Investments ($) Value at Simple Investments ($) 0 300.00 300.00 1 2…