Evaluate the expression when x = 5, y = -2, and t = 8.?y? + 2x - 2t
A. 28
B. -4
C. -8
D. 8
Answer: B
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.
t = 4 if s = t2 - t
A. 
= 2 - t; 
t = 4
= -2
B. 
= 2t - 1; 
t = 4
= 7
C. 
= 2t + 1; 
t = 4
= 9
D. 
= t - 1; 
t = 4
= 3
Mathematics
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 - 3x2 - 5x + 39
A. -3, 1 + 2i, 1 - 2i
B. -3, 1 + 2
i, 1 - 2
i
C. -3, 3 + 2i, 3 - 2i
D. -3, 3 + 4i, 3 - 4i
Mathematics
Perform the division.
A. x3 - 64 B. x + 9 C. x2 + 9 D. x - 64
Mathematics
Multiply. Simplify your answer if possible.- 
(16y - 20x - 8z)
A. -20y - 20x - 8z B. -20y + 25x - 10z C. -20y - 25x + 10z D. -20y + 25x + 10z
Mathematics