Evaluate the expression using a rule for exponents.
1
A. 0
B. 
C. 1
D. 
Answer: D
Mathematics
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Find the root. Assume that variables represent nonnegative values.
A. 3a
B. 81a
C. 3
D. 3a2
Mathematics
Find the derivative of the implicit function.sin (xy) + x = 5y
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.On a map, the length of a nature-center trail is 
If the scale is 
to 
what is the actual length of the trail?
A. 28.2 km B. 27.2 km C. 31.2 km D. 54.4 km
Mathematics
Determine the domain and the range of the function.f(x) = -x2 - 4x - 3
A. domain: {x|x ? -2} range: {y|y ? 1} B. domain: all real numbers range: {y|y ? 1} C. domain: {x|x ? -2} range: {y|y ? -1} D. domain: all real numbers range: {y|y ? -1}
Mathematics