Find the nth term {an} of the geometric sequence. When given, r is the common ratio.4, 
, 
, 
, 
, ...
A. an = 4 ? 
n
B. an = 4 ? 
n-1
C. an = 4 ? 
n-1
D. an = 4 ? 
n + 1
Answer: B
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Solve.The monthly payment p on a mortgage varies directly with the amount borrowed b. Suppose that you decide to borrow $120,000 using a 30-year mortgage. You are told that your monthly payment is $728.27. The linear function that relates the monthly payment p to the amount borrowed b for a mortgage with the same terms is 
Graph the relation between monthly payment and amount borrowed. 
A. 
B. 
C. 
D. 
Find the slope and the y-intercept of the given line.-4x + 5y = 5
A. - 
; (0, -1)
B. 1
; (0, -1)
C. 
; (0, 1)
D. -1
; (0, 1)
Graph the radical function. Compare the graph to that of the square root function or cube root function.G(x) = 
A. It looks like the graph of the square root
function, but it is shifted 3 units up.
B. It looks like the graph of the square root
function, but it is shifted 3 units to the right.
C. It looks like the graph of the square root
function, but it is shifted 3 units down.
D. It looks like the graph of the square root
function, but it is shifted 3 units to the left.
Find the exact value by using a sum or difference identity.
A. - 
B. -2
C. - 
D. - 