Find the product.(3x2 + 2y)(-4x2 - 7y + z)
A. -12x4 - 29x2y + 3x2z - 14y2 + 2yz
B. -12x4 - 29x2y - 14y4 + 3x2yz
C. -12x4 - 29x2y2 - 14y2
D. -12x2 - 29xy + 3x2z - 14y2 + 2z
Answer: A
Mathematics
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In the circuit below, VR = 12 V and VC = -5 V. Find E and é.
a. é = -67.4ø, VC = 17 V
b. é = -22.6ø, VC = 8.5 V
c. é = -67.4ø, VC = 13 V
d. é = -67.4ø, VC = 13 V
e. é = -22.6ø, VC = 13 V
Mathematics
Graph the function.f(x) = 3e-x
A. 
B. 
C. 
D. 
Mathematics
Factor completely. If the polynomial cannot be factored, say it is prime.(x - 9)2 - 9
A. (x - 12)2 B. (x + 6)(x + 12) C. (x - 6)(x - 12) D. (x + 0)(x - 18)
Mathematics
Find the root. Assume that variables represent any real number.
A. -5x
B. -5x3
C. -5
D. -25x
Mathematics