Determine if the piecewise defined function is differentiable at the origin.f(x) = 
A. Not differentiable
B. Differentiable
Answer: A
Mathematics
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Evaluate the limit.
= (2e-t i + 8e-t j)
A. 
i - 4j
B. - 4j
C. i + 4j
D. 4j
Mathematics
Use an identity to write the expression as a single trigonometric function or as a single number.
A. 
B. 
C. 
D. 
Mathematics
Simplify. Assume that variables can represent any real number.
A. -5
B. -5b3
C. -5b
D. Not a real number
Mathematics
A line has the given slope m and passes through the first point listed in the table. Complete the table so that each point in the table lies on the line.m = - 
A. 
B. 
C. 
D. 
Mathematics