Suppose u and v are differentiable functions of x. Use the given values of the functions and their derivatives to find the value of the indicated derivative.u(1) = 4, u '(1) = -7, v(1) = 6, v '(1) = -3.  at x = 1

A. - 
B. - 
C. - 5
D. - 


Answer: D

Mathematics

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Solve the formula for the specified variable.A = h(b1 + b2) for b1

A. b1 = 
B. b1 =  
C. b1 =  
D. b1 = 

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What is the slope of any line perpendicular to the line through A(-2, 7) and B(-10,-3)?

(a) 4/5. (b) 5/4. (c) -5/4. (d) -4/5. (e) None of these is correct.

Mathematics

Add.1 + (-2)

A. -1 B. 1 C. -3 D. 3

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Find the sum.4.6 + [(-4.5) + (-6.7)]

A. 15.8 B. 2.4 C. 6.8 D. -6.6

Mathematics