FROM 1987 TO 1997 THE NUMBER OF FEDERALLY INSURED COMMERCIALBANKS COULD BE MODEL
ID: 3094772 • Letter: F
Question
FROM 1987 TO 1997 THE NUMBER OF FEDERALLY INSURED COMMERCIALBANKS COULD BE MODELED BY N(t)= -458t+923,769,where t is the year. a)estimate the number of commercial banks in 1987 and in1997 b)what is the slope of the graph on N ? Interpretthe slope. on part b) she wants the slope I guess on agraph,please show me and especially she wants the expanation of"interpret the slope" thanks!! FROM 1987 TO 1997 THE NUMBER OF FEDERALLY INSURED COMMERCIALBANKS COULD BE MODELED BY N(t)= -458t+923,769,where t is the year. a)estimate the number of commercial banks in 1987 and in1997 b)what is the slope of the graph on N ? Interpretthe slope. on part b) she wants the slope I guess on agraph,please show me and especially she wants the expanation of"interpret the slope" thanks!! thanks!!Explanation / Answer
a) i'm guessing t is the year since 1987? If that is the case, then for 1987 t=0 plug that in N(0)=-458(0) + 923769 which is just 923769 then for 1997 years since 1987 is 10 to t=10 plug that inN(10)= -458(10)+923769 which is 919189 b) this is an equation of a line like y=mx+b where m is the slope, inthis case the slope is -458. The negative slope means the line goesdownward as x increases (downhill) this specific negative slope means that as time goes by, the numberof federally insured commercial banks is decreasing by 458 forevery year
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