Evaluate the expression using the order of operations.(4 + 5)2
A. 29
B. 41
C. 81
D. 21
Answer: C
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Solve the problem.Evaluate 
at (x, y, z) = (3, 2, 0) for the function u(p, q, r) = epq cos(r); p = 
, 
A. 12
B. 
C. 24
D. 0
Express the relationship between a small change in x and the corresponding change in y in the form 
.f(x) = sin(3x2)
A. dy = -6x cos(3x2) dx B. dy = -6 cos(3x2) dx C. dy = 6x cos(3x2) dx D. dy = 6 cos(3x2) dx
Solve the system by using Gaussian elimination with backward substitution or by reducing the matrix to reduced-row echelon form.3x + 4y + z = -35x - 2y - z = -194x + y + 2z = -7
A. No solution B. (-3, 1, 2) C. (-3, 2, 1) D. (2, 1, -3)
Given that the polynomial function has the given zero, find the other zeros.f(x) = x4 - 4x3 + 2x2 - 4x + 1; i
A. -i, 1 + 
, 1 - 
B. -i, -2 + 
, -2 - 
C. -i, 2 + 2
, 2 - 2
D. -i, 2 + 
, 2 - 