Find fx.f(x, y) = x ln (3x + 7y)
A. fx(x, y) = 
+ ln (3x + 7y)
B. fx(x, y) = 
C. fx(x, y) = ln (3x + 7y) + 
D. fx(x, y) = ln (3x + 7y)
Answer: A
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Solve the problem.After receiving a discount of 15.5% on its bulk order of typewriter ribbons, John's Office Supply pays $2535. What was the price of the order before the discount?
A. $3000 B. $2269 C. $2928 D. $2142
Solve the problem.A bike road race starts at an elevation of 610 feet and passes through 5 stages where the elevation changes by 87 feet, -707 feet, -325 feet, 239 feet, and -70 feet. At what elevation does the race end?
A. -2038 feet B. 1399 feet C. 2038 feet D. -166 feet
Solve.A pendulum bob swings 6.0 cm on its first oscillation. On each subsequent oscillation the bob travels 
of the previous distance. Find the total distance the bob travels before coming to rest.
A. an = 9.0 (
)n-1
B. an = 6.0 (
)n-1
C. an = 6.0 (3)n+1
D. an = 6.0 (3)n-1
Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 