3 years ago

1

Mathematics

1 answer:

klemol [59]3 years ago

6 0

Answer:

-2

Step-by-step explanation:

f（x）=-22-2x+5=-17-2x

when x=-3, f（x）=-11;

when x=3, f（x）=-23;

then the rate of change is：

[-23-（-11）]/[3-（-3）]=-2

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