Solve the problem.Find an equation for the level curve of the function f(x, y) = 
that passes through the point 
.
A. y = -25
B. y = 25
C. y = ± 5
D. y = 5
Answer: D
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Solve the problem.A pipe is cut into two pieces, with one piece 20 feet longer than the other. The pipe was 56 feet long before it was cut. How long is each piece?
A. 38 feet, 18 feet B. 38 feet, 36 feet C. 56 feet, 36 feet D. 76 feet, 36 feet
Simplify. Assume that all variables represent positive real numbers.7
- 3
A. 7
- 3
B. -2
C. 4
D. 2
Solve the problem.In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by 
where t is the number of years since 2010. Find and interpret the t-intercept of the graph of this function.
A. 34; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2078. B. 68; The annual consumption of beef in this town was 68 pounds per person in 2010. C. 34; The annual consumption of beef in this town was zero pounds per person in 2010. D. 68; If this trend continues, the annual consumption of beef in this town will be zero pounds per person in the year 2078.
Write as a decimal.500%
A. 5 B. 50 C. 0.5 D. 5.01