Find the domain of the indicated combined function.Find the domain of 
(x) when f(x) = 6x2 - 9x and g(x) = x2 - 8x - 8.
A. Domain: (-?,?)
B. Domain: 
? 
? 
C. Domain: 
? 
D. Domain: 
? 
? 
Answer: D
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Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.(x14y7)1/7
A. x2 B. x14y C. x2y D. x2|y|
Solve the problem.Assume that a person spins the pointer and is awarded the amount indicated by the pointer. Determine the person's expectation.
A. $7.25 B. $5.25 C. $10.50 D. $7.50
Solve the problem. Round your answer to the nearest tenth, if necessary.By switching service providers, a family's telephone bill decreased from 
a month to $42. What was the percent of decrease?
A. 16%
B. 19%
C. 17%
D.
| 8% |
Use the change of base formula and the properties of logarithms to rewrite the expression as a single logarithm in the indicated base.log81 x12 + log27 y9 - log9 w6, base 3
A. log3 
B. log3 
C. log3 x3y3z3
D. log3(x3 + y3 - z3)