Answer:
y=-3x+9
Step-by-step explanation:
Just subtract -3x on both sides
Answer:
Look in explanation.
Step-by-step explanation:
1.
is the same as
because since there is a negative exponent, you would want to flip the reciprocal and change the negative to positive.
The rest are very similar to this.
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The correct answer to your question is 8.


Critical points occur when

, which happens for

and

.
Check the sign of the second derivative at each critical point to determine the function's concavity at that point. If it's concave (

), then a maximum occurs; if it's convex (

), then a minimum occurs.
You have

and so


This means a maximum of

and a minimum of

.