Evaluate the line integral of f(x,y) along the curve C.f(x, y) = x, C: y = x2, 0 ? x ? 
A. 63
B. 21
C. 
D. 
Answer: C
Mathematics
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Graph the integrand and use areas to evaluate the integral.
A. 36 B. 18 C. 72 D. 12
Mathematics
Solve the inequality.3x3 + 4x2 - 16x + 8 > 0
A. -1 - 
< x < 
, x > -1 +
B. x < -1 - 
, 
< x < -1 + 
C. x < -1 + 
D. -1 - 
Mathematics
Solve the system using matrices. 6x - y + 9z = 219x + 7z = 342y+ z = 13
A. No solution B. (-3, 6, 6) C. (3, 1, 6) D. (3, 6, 1)
Mathematics
Calculate in decimal form. 49
- 12.1
A. 61.725 B. 48.1125 C. 37.525 D. 600.4625
Mathematics