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The derivative of the function f is given by f′(x)=−3x+4 for all x, and f(−1)=6. Which of the following is an equation of the line tangent to the graph of f at x=−1 ?

a. y=−3x+3
b. y=−3x+4
c. y=7x+6
d. y=7x+13

User Seann
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1 Answer

4 votes

Answer:

the answer is B

Step-by-step explanation:

User Bielas
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