Use the substitution formula to evaluate the integral.
A. 4
B. 12
C. 9
D. 
Answer: C
Mathematics
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Find d2y/dx2 without eliminating the parameter.x = 5t2, y = 
t3; t ? 0
A. 
B. 
t
C. 
t
D. 
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Simplify the expression.
A. 6
B. - 6
C. - 4
D. 
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Find the area.
A. 258 m2 B. 132 m2 C. 1064 m2 D. 264 m2
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Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
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