Find the product.(4x - 5)3
A. 64x3 - 240x2 + 240x - 125
B. 64x3 + 240x2 + 300x + 125
C. 64x3 - 240x2 + 300x - 125
D. 16x2 - 40x + 25
Answer: C
Mathematics
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Find the domain and range.{(-2, -3), (-8, 3), (8, 7), (8, 1)}
A. D = {-8, -2, 8, 8}; R = {3, -3, 7, 1} B. D = {3, -3, 7, 1}; R = {-8, -2, 8} C. D = {-8, -2, 8, -8}; R = {3, -3, 7, 1} D. D = {-8, -2, 8}; R = {3, -3, 7, 1}
Mathematics
Write the product in standard form.(7 - 3i)(7 + 6i)
A. 67 - 21i B. -18i2 + 21i + 49 C. 31 - 63i D. 67 + 21i
Mathematics
Solve the system using the inverse method.
A. x = 5, y = -2, z = 2 B. x = 5, y = 2, z = -2 C. x = -5, y = -2, z = -2 D. x = 2, y = 5, z = 2
Mathematics
Perform the matrix operation.Given A =
and B = 
, find 2A + B.
A. 
B. 
C. 
D. 
Mathematics