Find the nth, or general, term for the geometric sequence.x, 1, 
, ...
A. an = x2-n
B. Not a geometric sequence
C. an = xn-1
D. an = 
2-n
Answer: A
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Solve the problem.Suppose that y is directly proportional to x and that y = 24.5 when x = 7. Find the constant of proportionality k. Then, find y when x = 18.
A. k = 171.5; y = 
B. k = 3.25; y = 58.5
C. k = 3.5; y = 81
D. k = 3.5; y = 63
Find the zero of the linear function.f(x) = -x + 6
A. 0 B. 6 C. -12 D. -6
Provide an appropriate response.If a person deposits $1000 in a savings account that pays an interest rate of r% compounded continuously, and the account has $1400 at the end of 4 years, find the interest rate.
Fill in the blank(s) with the appropriate word(s).
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = 
B. x = - 
C. y = - 
D. x = - 