Question #a022b

1 Answer
Daniel H.
Nov 30, 2017

The Average Rate of Change is the slope formula

Explanation:

#{y_2-y_1}/{x_2-x_1}#

Substitute b in the equation to get the #y_2# value.

#2b^2-9#

Substitute 4 in the equation to get the #y_1# value.

#2*4^2-9 = 32-9=23#

Then: #{2b-9-23}/(b-4}={2b-32}/(b-4}#

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