Solve the problem.How long does it take $1125 to triple if it is invested at 7% interest, compounded quarterly? Round your answer to the nearest tenth.
A. 15.8 months
B. 18.1 years
C. 18.1 months
D. 15.8 years
Answer: D
Mathematics
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Match the vector equation with the correct graph.
r(t) = 
ti +(2 - t)k; 0 ? t ? 2
A. Figure 3 B. Figure 1 C. Figure 5 D. Figure 8
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (- 
, 2); r= 
B. (h, k) = (
, -2); r = 
C. (h, k) = (
, -2); r = 
D. (h, k) = (- 
, 2); r = 
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 1.79x - 1.86 B. y = 0.43x + 1.79 C. y = -1.86x + 1.79 D. y = 1.79x + 0.43
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 8x - 8, g(x) = 
x + 1
A. No B. Yes
Mathematics