Find the composite function for the given functions and state the domain. g ? f for f(x) = x2 - 81 and g(x) = 
A. x - 81, for x ? 0
B. x - 9, for x ? 0
C. 
, for all x
D. 
, for (-?, -9] ? [9, ?)
Answer: D
Mathematics
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Tasmanian automobile licence plates consist of three capital letters (A through Z) followed by three digits (0 through 9).How many Tasmanian license plates end with a 1?
A. 263 × 103 B. 263 × 103 - 1 C. 263 × 102 D. 262 × 103 E. none of these
Mathematics
For the given function, find the indicated function value, if it exists. If the value does not exist, answer "Does not exist".For f(x) = 
, find f(-126).
A. -6 B. Does not exist C. -5 D. 5
Mathematics
Graph the system of inequalities.3x - y ? -3x + 2y ? 2
A. 
B. 
C. 
D. 
Mathematics
Find the volume of the circular cylinder. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 339.12 cm3 B. 8138.88 cm3 C. 2034.72 cm3 D. 678.24 cm3
Mathematics