r(x) = 4/(x+7)
The notation r(a+8) means evaluate r(x) when x = a+8:
r(x) = 4/(x+7)
r(a+8) = 7/(a+8+7) = 7/(a+15)
Maria M.
asked • 05/13/15Urgent Help Needed
Find r(a+8) when r(x)=4/x+7
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