Differentiate.
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Solve the problem.Mardi received an inheritance of $50,000. She invested part of it at 12% and the rest at 11%. Her total annual income from the investments was $5900. Find the amount invested at 12%.
A. $40,000 B. $44,100 C. $20,000 D. $39,000
Find the circumference or area of the circle, as requested. Give an exact answer (in terms of ?) and an approximation using 3.14 for ?. If necessary, round to two decimal places.Find the circumference
A. ? m; 24.12 m B. 1.6? m; 5.02 m C. 3.2? m; 10.05 m D. 6.4? m; 20.1 m
The velocity of a car was read from its speedometer at ten-second intervals and recorded in the table. Use the Midpoint Rule to estimate the distance traveled by the car.
a. 1.2 miles
b. 1.8 miles
c. 0.8 miles
d. 2.4 miles
e. 0.6 mile
Use implicit differentiation to find dy/dx.cos xy + x7 = y7
A. 
B. 
C. 
D. 