State the domain of the rational function.f(x) = 
A. (-?, ?)
B. (-?, -2) ? (-2, 5) ? (5, ?)
C. (-?, -5) ? (-5, 2) ? (2, ?)
D. (-?, 5) ? (5, ?)
Answer: B
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Find the domain and range of the inverse of the given function.f(x) = x3 - 4
A. Domain and range: all real numbers B. Domain: [0, ?); range: [0, ?) C. Domain: all real numbers; range: [-4, ?) D. Domain: [-4, ?); range: all real numbers
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 63 watches B. 29 watches C. 20 watches D. 31 watches
Solve the problem.A survey of 240 families showed that 91 had a dog; 70 had a cat; 31 had a dog and a cat; 91 had neither a cat nor a dog nor a parakeet; 7 had a cat, a dog, and a parakeet.How many had a parakeet only?
A. 34 B. 24 C. 29 D. 19
Find the value of the indicated variable for the values given.I = prt; determine t when I = 85.5, p = 190 and r = 0.09
A. 5 B. 0.5 C. 1462.05 D. 14.6205