Find the indicated intercept(s) of the graph of the function.y-intercept of f(x) = x + 
A. (0, 0)
B. (0, 25)
C. (0, 5)
D. none
Answer: D
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Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= 
tann-2 x - 
B. 
= tann-1 x - 
C. 
= 
tann-1 x - 
D. 
= 
tann-1 x + 
Use I = Prt for simple interest to find the indicated quantity.P = $3000; t = 90 days; I = $105. Find r. (Use 360 days in a year.)
A. 3.5% B. 14.0% C. 9.7% D. 14.2%
Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 
? Round to the nearest year.
A. 24 yr B. 1 yr C. 69 yr D. 10 yr
Determine where the function is increasing and where it is decreasing.f(x) = -9x2 - 2x - 8
A. increasing on 
decreasing on 
B. increasing on 
decreasing on 
C. decreasing on 
increasing on 
D. increasing on 
decreasing on 