Find the limit using 
= 1.
A. 
B. does not exist
C. 0
D. 
Answer: A
Mathematics
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Find dy/dx by implicit differentiation.x4/3 + y4/3 = 1
A. 
1/3
B. 
1/3
C. - 
1/3
D. - 
1/3
Mathematics
Evaluate the function.r(x) = -
; r(1)
A. 4 B. 3 C. 1 D. -3
Mathematics
Identify the vertex of the given parabola.f(x) = -(x + 2)2 - 8
A. (-2, 8) B. (-2, -8) C. (2, 8) D. (2, -8)
Mathematics
State the quadrant in which or axis on which the point is located.(-4.3, -2.3)
A. II B. I C. III D. IV
Mathematics