Add or subtract. Assume all variables represent positive real numbers.4
+ 
A. 12
B. 5
C. 4
+ 
D. 7
Answer: D
Mathematics
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Write the equation that results in the desired transformation.The graph of y = x3, vertically compressed by a factor of 0.4
A. y = 0.4x3
B. y = (x + 0.4)3
C. y = 0.4
D. y = (x - 0.4)3
Mathematics
Simplify the expression without a calculator. Assume variables are positive.
Mathematics
If 
is a child's rate of growth in pounds per year, which of the following expressions represents the increase in the child's weight (in pounds) between the years 3 and 7?
Mathematics
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations 
, 
, 
style="vertical-align:middle;" />, and 
about the x-axis. Round your answer to four decimal places.
?
A. 19.4241
B. 25.2685
C. 21.9732
D. 29.8786
E. 39.2520
Mathematics