Express the given function as a composite of functions f and g such that y = f(g(x)).y = 
A. f(x) = 
, g(x) = x2 - 4
B. f(x) = 
, g(x) = - 
C. f(x) = 
, g(x) = x - 4
D. f(x) = 
, g(x) = x2 - 4
Answer: D
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Write an algebraic equation and use it to solve the problem.The three most prominent buildings in a city, Washington Center, Lincoln Galleria, and Jefferson Square Tower, have a total height of 1800 feet. Find the height of each building if Jefferson Square Tower is twice as tall as Lincoln Galleria and Washington Center is 320 feet taller than Lincoln Galleria.
A. Washington Center: 690 feet Lincoln Galleria: 370 feet Jefferson Square Tower: 740 feet B. Washington Center: 530 feet Lincoln Galleria: 210 feet Jefferson Square Tower: 1060 feet C. Washington Center: 600 feet Lincoln Galleria: 300 feet Jefferson Square Tower: 900 feet D. Washington Center: 420 feet Lincoln Galleria: 210 feet Jefferson Square Tower: 1170 feet
Let x represent one number and let y represent the other number. Use the given conditions to write a system of nonlinear equations. Solve the system and find the numbers.The sum of two squares of two numbers is 85, and the difference of their squares is 13. Find the numbers.
A. 7 and 6, -7 and 6, or 7 and -6 B. 7 and 6, -7 and 6, 7 and -6, or -7 and -6 C. 7 and 6 D. 7 and 6 or -7 and -6
Graph.
- 
= 1
A. 
B. 
C. 
D. 
Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.
Use the concept of an average or mean to estimate the CPI in 1961.
A. 31.5 B. 35.4 C. 34.8 D. 33.9