Find the general term of the arithmetic sequence.6.1, 6.8, 7.5, 8.2, 8.9, . . .
A. an = 0.7n + 6.1
B. an = 0.7n + 5.4
C. an = 0.7n + 5.2
D. an = 0.6n + 5.4
Answer: B
Mathematics
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 
A. 
; 
B. 
; 
C. - 
; - 
D. - 
; - 
Mathematics
Simplify. Express your answer with positive exponents. Assume that all variables are nonzero.
A. 
B. 
C. 
D. 
Mathematics
Solve.10x - 25 - x2 < 0
A. (?, 5) B. (-?, 5) ? (5, ?) C. (5, ?) D. (-5, 5)
Mathematics
Find a formula for the inverse of the function described below.A size 10 dress in Country C is size 40 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x + 30
B. f-1(x) = x - 30
C. f-1(x) = 
D. f-1(x) = 
Mathematics