Provide an appropriate response. Evaluate -b2 if b = -5

A. 11
B. 26 
C.   25
D. 10  


Answer: C

Mathematics

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Find the derivative of y.y = ln(sech (9x + 6))

A. tanh (9x + 6)
B. -tanh (9x + 6)
C.
D. -9 tanh (9x + 6)

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Use the table to estimate the rate of change of y at the specified value of x.x = 1. 

A. -0.5 B. 0.5 C. 0 D. 1

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Find the exact value of the expression.

A. -2
B. - 
C. -
D. - 

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Factor and simplify the algebraic expression.(x + 5)2/5 - (x + 5)12/5

A. (x + 5)((x + 5)2/5 - (x + 5)12/5) B. (x + 5)2/5 (- x2 - 10x - 24) C. (x + 5)(- x2 - 10x + 24) D. (x + 5)12/5 ((x + 5)1/6 - 1)

Mathematics