Write the number in scientific notation.
259,000,000
A. 2.59 × 10-6
B. 2.59 × 107
C. 2.59 × 106
D. 2.59 × 10-8
E. 2.59 × 108
Answer: E
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Solve the problem.Using a phone card to make a long distance call costs a flat fee of $0.69 plus $0.28 per minute starting with the first minute. What is an equation of the form 
for this situation?
A. y = 0.28x B. y = 0.69x + 0.28 C. y = 0.69x D. y = 0.28x + 0.69
Determine the domain and range of the function. Then graph it.f(x) = -
A. domain = [-3, ?), range = [0, ?)
B. domain = [0, ?), range = [-3, ?)
C. domain = [0, ?), range = [3, ?)
D. domain = [3, ?), range = (-?, 0]
Graph the function.y = 4 csc 
A. 
B. 
C. 
D. 
Find the first term and the common difference for the arithmetic sequence.a13= 79, a33= 219
A. a1= -5, d = 140 B. a1= 140, d = 7 C. a1= 140, d = -5 D. a1= -5, d = 7