Evaluate the expression.2251/2
A. 60
B. 30
C. 7.5
D. 15
Answer: D
Mathematics
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Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
Mathematics
Find the particular solution to the given differential equation that satisfies the given conditions.2
+ 11
+ 12y = 0; Dy = 0 and y = 1 when x = 0
A. y = - 
e-4x + 
e-3x/2
B. y = 
e-4x - 
e-3x/2
C. y = 
e-4x - 
e-3x/2
D. y = - 
e4x + 
e3x/2
Mathematics
Multiply. Write a mixed numeral for the answer.5 ? 1
? 
A. 1
B. 4
C. 2
D. 2
Mathematics
Decide whether the proportion is true or false.
= 
A. True B. False
Mathematics