Determine the size of the matrix.
A. 3
B. 3 × 1
C. 1 × 3
D. 1
Answer: B
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Multiply.586(30)
A. 17,580 B. 16,580 C. 27,580 D. 18,580
Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 5 minutes, what will it read after being in the room for 8 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 35.35°F B. 63.42°F C. 45.67°F D. 104.33°F
Write the expression in expanded form.loga 
A. 4 loga x + 
loga (x + 5) - 2 loga(x - 2)
B. loga x4 + loga(x + 5)-3 - loga(x - 2)2
C. loga x4 + loga(x + 5)1/3 - loga(x - 2)2
D. 4 loga x - 3 loga(x + 5) - 2 loga( x - 2)
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(3, -5), (5, -3), (9, 2), (-9, -2)}
A. {(-5, 3), (-3, 5), (2, 9), (-2, -9)} B. {(-2, 9), (9, 5), (-5, 3), (2, -9)} C. Not one-to-one D. {(-2, 9), (-3, 5), (-5, 5), (2, -9)}