An arithmetic sequence is given. Find the common difference and write out the first four terms.{7n + 3}
A. d = 3; 10, 17, 24, 31
B. d = 3; 7, 10, 17, 24
C. d = 7; 10, 17, 24, 31
D. d = 7; 7, 10, 17, 24
Answer: C
Mathematics
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A. One B. None C. Two D. Three
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Find the specified domain and express it in interval notation.For f(x) = x2 - 9 and g(x) = 2x + 3, what is the domain of 
(x)?
A. All real numbers
B. 
C. All real numbers except - 
D. (-3, 3)
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Choose the graph which matches the function.f(x) = 2 ? 0.5x - 2
A. 
B. 
C. 
D. 
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Use the laws of exponents to simplify. Write the answer with positive exponents.(r1/4 ? s1/4)2
A. r2s2 B. r1/8s1/8 C. r1/2s1/2 D. r1/16s1/16
Mathematics