Evaluate the determinant.
A. 7x3 + 6x + 240
B. 7x3 + 6x - 240
C. 9x3 - 6x + 240
D. 9x3 + 6x + 240
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Use differentiation to determine whether the integral formula is correct.
dx = - 
+ C
A. No B. Yes
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Solve the system of linear equations by the method of elimination. Find (x, y) and check your solution algebraically.
a. 
b. 
c. 
d. 
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Evaluate.-4 ? 4 ? (-3)
A. 38 B. 148 C. 48 D. -48
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