If ?t is increased by 1, then is decreased  by what percentage?
?

A. 85%
B. 15%
C. 0.85%
D. 0.15%


Answer: B

Mathematics

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Find the equation for the tangent to the curve at the given point.f(x) = x2 + 11x - 15 ; (1, -3)

A. y = - x + 
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C. y = -39x - 80  
D. y = x + 

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Solve the proportion and check. = 

A. 9 B. 1 C. 3 D. 64

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Solve the triangle.a = 8, c = 7, B = 90°

A. b = 9.63, A = 41.2°, C = 48.8° B. b = 10.63, A = 41.2°, C = 48.8° C. b = 11.63, A = 48.8°, C = 41.2° D. b = 10.63, A = 48.8°, C = 41.2°

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Find the second-order partial derivatives of the function. ? ?

A.
B. ?
C. ?
D. ?
E. ?

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