Simplify the expression. Assume that variables represent nonzero numbers.(ab3)4(ab)5
A. a20b60
B. a9b8
C. a9b12
D. a9b17
Answer: D
Mathematics
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Solve the equation.log5(x + 4) = 3
A. {247} B. {129} C. {239} D. {121}
Mathematics
Solve for the specified variable.I = 
; solve for r
A. r = 
B. r = 
C. r = 
D. r = 
- IR
Mathematics
Find the area of the indicated region. Round your answer to the three decimal places.
?
Enclosed by 
and 
and 
.
?
A. 7.839
B. 8.089
C. 7.089
D. 7.339
E. 6.589
Mathematics
Graph the function. Determine the limit (if it exists) by evaluating the corresponding one-sided limits.
?
?
A. 
?
B.
?
C.
?
D.
?
E.
?
Mathematics