Rationalize the denominator. Assume all variables represent positive real numbers.
A. 
B. 
C. 8
D. 
Answer: D
Mathematics
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Use the substitution formula to evaluate the integral.
sec2 2x dx
A. 2e
B. - 
C. 
D. e
Mathematics
Write the expression in radical notation. Evaluate by hand when possible.-65611/4
A. -
; -9
B. 
; -9
C. -
; -729
D. -
; -81
Mathematics
Find the integral.
A. - 
x-4 + 9 ln 
+ C
B. 
x-4 - 9 ln 
+ C
C. 
x-4 + 9 ln 
+ C
D. - 
x-4 - 9 ln 
+ C
Mathematics
Use the graph to evaluate the indicated limit or function value or state that it does not exist.Find
f(x) and f(-1).
A is the point 
A. 
; -1
B. 
; does not exist
C. -1; 
D. Does not exist; -1
Mathematics