Solve.For the geometric sequence 2, 1, 
, 
, ... , find an.
A. an = 2n-2
B. an = 
n-2
C. an = 21-n
D. an = 
1-n
Answer: B
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Solve the problem.When $5600 is invested in a savings account paying simple interest for the year, the interest, i in dollars, can be obtained from the equation i = 5600r , where r is the rate of interest in decimal form. Graph i = 5600r , for r up to and including a rate of 16%. If the rate is 12%, how much interest is earned?
A. $692 B. $6720 C. $672 D. $656
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.14.65 L = ____ gal
A. 3.8 gal B. 13.9 gal C. 15.5 gal D. 55.4 gal
Use the given graph to find the x-intercepts and zeros of the function.
A. (5, 0), (2, 0); 5, 2 B. (-5, 0), (2, 0); -5, 2 C. (-2, 0), (5, 0); -2, 5 D. (-5, 0), (-2, 0); -5, -2
Solve the equation.x2 = 16
A. ± 4 B. 4 C. 5 D. -4