Find the reciprocal.9
A. -9
B. 
C. 
D. 9 has no reciprocal.
Answer: B
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Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= 
sec2
B. y = tan u; u = ? - 
; 
= sec2
C. y = tan u; u = ? - 
; 
= sec2
D. y = tan u; u = ? - 
; 
= 
sec
tan
Solve.In preparing an estimate to remodel a kitchen, a contractor predicts cabinet costs of $750, sink and countertop $485, paint and wallpaper $229, floor tile $565, appliances $3859 and labor $1100. What is the total cost?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Suppose you purchase a 30-year U.S. savings bond with an APR of 4.5%. The face value of the bond is $12,000. Find the purchase price of the bond.
A. $5454.55 B. $5155.75 C. $5106.38 D. $5057.96 E. $4800
Fill in the blank with the correct inequality symbol.If - 3x < 12, then x 
-4.
A. < B. ? C. > D. ?