Find a formula for the nth term of the sequence.9, 10, 11, 12, 13 (integers beginning with 9)
A. an = n + 10
B. an = n + 9
C. an = n - 9
D. an = n + 8
Answer: D
Mathematics
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Use the substitution method to solve the system. x - 5y = -389x - 6y = -69
A. (-4, 8) B. (3, 8) C. (-3, 7) D. No solution
Mathematics
Express the number in standard notation.-2.172 × 103
A. -2172 B. -217.2 C. -21,720 D. -217,200
Mathematics
Find an equation of the line containing the given pair of points(-4, 0) and (4, 9)
A. y = - 
x + 
B. y = - 
x + 
C. y = 
x + 
D. y = 
x + 
Mathematics
Find the value of the function.Given f(x) = x2 + 4x + 3, find f(-3).
A. 18 B. -6 C. 24 D. 0
Mathematics