
Riri M.
asked 06/18/20Use the definition mtan = lim x>a, f(x)- f(a)/x-a to find the slope of the line tangent to the graph of f at P.
f(x) = 5x + 9, P (-2,-1)
mtan=??
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1 Expert Answer

John M. answered 06/18/20
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Since
f(x) = 5x + 9 with that being mx + b,
The slope m at any point on the line is 5
at point P (-2,-1), the slope is = 5 too
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Shin C.
mtan is a shorthand notation for instanteous rate of change!06/18/20