Evaluate the function.r(x) = -
; r(9)
A. 10
B. -10
C. -1
D. 9
Answer: B
Mathematics
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Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the x-axis.y = 7x2, y = 7
A. 
?
B. 
?
C. 
?
D. 
?
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Round the whole number to the given place value.377,495 to the nearest hundred
A. 377,000 B. 378,000 C. 377,400 D. 377,500
Mathematics
Find the product using one of the formulas for the square of a binomial.
2
A. 2c + 
c + 
B. c2 + 
C. c2 + 
c + 
D. c2 + 
Mathematics
If 
and ? terminates in QIII, find cos ?.
?
A. 
B. 
C. 
D. 
E. 
Mathematics