For the given quadratic function, tell whether the graph opens up or down and whether the graph is wider, narrower, or the same as the graph of f
= x2.f(x) = - 4x2
A. Up; narrower
B. Down; wider
C. Down; narrower
D. Up; wider
Answer: C
Mathematics
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Find the volume of the solid generated by revolving the region R bounded by the graphs of the given equations about the y-axis.bounded by the circle x2 + y2 = 16, by the line 
, and by the line y = 4
A. 
?
B. 
?
C. 64?
D. 16?
Mathematics
Find an equivalent algebraic expression for the composition.sin (arccot (x))
A. 
B. 
C. 
D. 
Mathematics
Convert as indicated.500 m to kilometers
A. 50,000 km B. 5 km C. 500,000 km D. 0.5 km
Mathematics
Solve.How long will it take for $5600 to grow to $7400 at an interest rate of 6.9% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 403.93 yr B. 0.4 yr C. 0.40 yr D. 4.04 yr
Mathematics