Use implicit differentiation to find dy/dx and d2y/dx2.4
- y = 2x
A. 
= 
- 2; 
= - 
B. 
= 
; 
= 
C. 
= 
; 
= 
D. 
= 
; 
= 
Answer: D
Mathematics
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In rectangle ABCD, AB = 5 and BC = 4. As a square root, find the length of diagonal 
.
What will be an ideal response?
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Find all solutions of the equation in the interval [0, 2?).2 cos
- 
= 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
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Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.(4x5)(2x2)
A. -8x7 B. -8x10 C. 8x10 D. 8x7
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Pivot once about the circled element in the simplex tableau, and read the solution from the result. 
A. x1 = 6, s1 = -6, z = 6; x2, x3, s2 = 0 B. x1 = 12, s1 = 42, z = 12; x2, x3, s2 = 0 C. x1 = 12, s1 = 6, z = 12; x2, x3, s2 = 0 D. x1 = 12, s1 = -6, z = 12; x2, x3, s2 = 0
Mathematics