Use implicit differentiation to find dy/dx and d2y/dx2.x2 + y2 = 6
A. 
= - 
; 
= - 
B. 
= 
; 
= 
C. 
= - 
; 
= - 
D. 
= - 
; 
= - 
Answer: C
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Solve the system. Indicate all corner points and shade the solution set.3x - 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Use ordinary division of polynomials to find the quotient and remainder when the first polynomial is divided by the second.3x5 + 4x4 + 2x2 - 1, x + 2
A. 3x4 - 2x3 + 4x2 + 6; -13 B. 3x4 - 2x3 + 6x2 - 12; 23 C. 3x4 + 2x3 + 4x2 + 8x; -15 D. 3x4 - 2x3 + 4x2 - 6x + 12; -25
Solve using the elimination method. Use a graphing calculator to check your answer. 7x + 6y = -24-3x + 3y = -12
A. (0, -3) B. (-1, -3) C. (0, -4) D. No solution
Suppose that y is inversely proportional to x. Use the given information to find the constant of proportionality k. Then use y = 
to find y for the given value of x.y = 32 when x = 9;
Find y given x = 8.
A. k = 144; y = 18
B. k = 72; y = 9
C. k = 
; y = 
D. k = 288; y = 36