for each problem below use the function and or its graph to answer the
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For each problem below, use the function and/or its graph to answer the questions.4) The sales for a snowboard manufacturer are S = 400 +250 sin(t+1) where t = 0 represents Jan.
1a) Find the month and day when sales are lowest. b) What is the period of this function? c) What is the average amount of sales per month?