Find the equation of the tangent line to the curve when x has the given value.f(x) = 3x2 + 5x - 7 ; x = -2

A. y =  + 1
B. y = -7x + 28  
C. y = -7x - 19  
D. y =  - 

Answer: C

Mathematics

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Find all possible functions with the given derivative.y' = 3 - 

A. y = 3x - ln  + C
B. y = 3 - ln  + C
C. y = 3x +  + C
D. y =   + C

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Find the sign of the following.tan , given that ? is in the interval (90°, 180°).

A. negative B. positive

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Classify the statement as true or false.If a number is divisible by 3 and 5, then it must also be divisible by 15.

A. True B. False

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Solve the system of equations algebraically for real values of x and y. ?   ?

A. , 
B. , 
C. , 
D. , 
E. no solution

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Mathematics