Rewrite the expression as a single logarithm.
ln(3) - 
ln(8)
A. ln 
B. ln 
C. ln 
D. ln 
Answer: C
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State the dimensions of the matrix.
A. 5 × 3 B. 3 × 5 C. 15 D. 8, -3, 6, 9, 7, -7, -6
Decide whether the equation defines y as a function of x.y2 = (x - 9)(x + 7)
A. function B. not a function
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of 
+ i
A. 
(cos 30° + i sin 30°), 
(cos 102° + i sin 102°), 
(cos 174° + i sin 174°), 
(cos 246° + i sin 246°), 
B. 32(cos 30° + i sin 30°), 32(cos 102° + i sin 102°), 32(cos 174° + i sin 174°), 32(cos 246° + i sin 246°), 
C. 32(cos 6° + i sin 6°), 32(cos 78° + i sin 78°), 32(cos 150° + i sin 150°), 32(cos 222° + i sin 222°), 
D. 
(cos 6° + i sin 6°), 
(cos 78° + i sin 78°), 
(cos 150° + i sin 150°), 
(cos 222° + i sin 222°), 
Simplify. Assume that all variables represent positive numbers.
A. 8k3q4 
B. 8q4 
C. 8k3q4 
D. 8k7q8 