Find the value or values of c that satisfy the equation StartFraction f (b )minus f (a )Over b minus a EndFraction equalsf '(c)
1 answer:
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Answer:
B
Step-by-step explanation:
x² + 9x
to complete the square
add ( half the coefficient of the x- term )² to x² + 9x
= x² + 2( )x + (
)²
= x² + 9x + ← the value of c
= (x + )² ← a perfect square