Find the rule that defines each piecewise-defined function.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Answer: A
Mathematics
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Solve the triangle. 
A. C = 45°, a = 16.73, c = 13.66 B. C = 45°, a = 13.66, c = 16.73 C. C = 40°, a = 13.66, c = 16.73 D. C = 50°, a = 16.73, c = 13.66
Mathematics
Determine the place value of the digit 3 in the whole number.30,500,421
A. ten-millions B. ten-thousands C. millions D. tens
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 55.3 B. y = 2.5x + 50.4 C. y = 3x + 50 D. y = 54
Mathematics
The sequence is defined recursively. Write the first four terms.a1 = 4; an = 2an-1
A. a1 = 4, a2 = 8, a3 = 16, a4 = 32 B. a1 = 6, a1 = 12, a2 = 24, a4 = 48 C. a1 = 4, a1 = 7, a2 = 6, a4 = 5 D. a1 = 4, a1 = 10, a2 = 18, a4 = 34
Mathematics