The derivative of f(x) at x=3 is 2x=6 approaching from the left side (apply power rule to y=x^2). The derivative of f(x) at x=3 is m approaching from the right side. In order for the function to be differentiable, the limit of derivative at x=3 must be the same approaching from both sides, so m=6. Then, x^2=mx+b at x=3, plug in m=6, 9=18+b, so b=-9.
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Step-by-step explanation:
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Answer:
Find the distance between (2,3) (4, -7)
= 6
Find the distance between (-9,-4) (-3,6)
= -10
Answer:
it's a rectangle so the area is 6×8=48
Answer:
C.) All living things need warm temperatures; it is always warm on Earth
Step-by-step explanation:
All living things do not need warmth to survive, and it is not always warm on Earth.
