Solve the equation.
A. 
, 
B. 
, 
C. 
, 
D. 
, 
E. 
, 
Answer: B
Mathematics
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Perform the conversion. Round to the nearest tenth when necessary.410 mi to km
A. 254.6 km B. 434.6 km C. 660.1 km D. 387.9 km
Mathematics
State whether the function is a polynomial function or not. If it is, give its degree. If it is not, tell why not.f(x) = 9x5 - 4x4 - 8
A. Yes; degree 10 B. No; the last term has no variable C. Yes; degree 5 D. Yes; degree 9
Mathematics
Express the sum or difference as a product of sines and/or cosines.cos(2?) - cos(4?)
A. cos(-2?) B. 2 sin(3?) sin ? C. -2 cos(3?) sin ? D. -2 sin(3?) sin ?
Mathematics
Graph f(x).f(x) = -2x2
A. 
B. 
C. 
D. 
Mathematics