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Answer:
12.
Step-by-step explanation:
Average rate of change = (value of the function when x = 9 - value when x=3)
/
(9 - 3)
= f(9) - f(3) / (9-3)
= (9^2 - 3^2) / (9-3)
= 72 / 6
= 12.
77
step by step explanation
Answer:
D above and to the left
Step-by-step explanation: The origin is in the center of a grid so going left and up will put you in quadrant 2 where x is negative and y is positive