Provide an appropriate response.If x3 + y3 = 9 and dx/dt = -3, then what is dy/dt when x = 1 and y = 2?
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Evaluate the expression.(-4)-1
A. -4
B. - 
C. 
D. 4
Mathematics
Write the domain of f in interval notation.f(x) = 
A. [2, ?) B. [-2, ?) C. (-2, ?) D. (2, ?)
Mathematics
Find the quantity indicated.Suppose that y is varies directly with x. When x = 18, then 
Find y when 
A. 169 B. 324 C. 225 D. 195
Mathematics
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Mathematics