Find the derivative of y.y = sinh2 7x
A. 2 sinh 7x cosh 7x
B. 2 cosh 7x
C. 14 cosh 7x
D. 14 sinh 7x cosh 7x
Answer: D
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Solve.Howard builds patio chairs and dog houses that he sells at the local flea market. It takes him 4 hours to build a dog house and 5 hours to build a patio chair. Howard can work no more than 40 hours per week and he must produce more dog houses than chairs. Further, he wants to build at least 7 items each week. Write a system of inequalities to describe this situation and solve the system by graphing. Use D for the number of dog houses and P for the number of patio chairs produced each week.
A. 
B. 
C. 
D. 
Solve for the base. Round to the nearest cent.Part: $8.92 Rate of increase: 16%
A. $107.69 B. $7.69 C. $10.35 D. $8.92
Find the slope of the line and sketch its graph.y - 1 = 0 
A. slope = 1
B. slope = 0
C. slope = 1
D. slope is undefined
Solve triangle ABC. If necessary, round the answer to the nearest tenth. 
A. C = 103°, a = 16 m, b = 9 m B. C = 103°, a = 44.4 m, b = 25.1 m C. C = 103°, a = 9 m, b = 16 m D. C = 97°, a = 8.8 m, b = 15.7 m