Approximate the value using a calculator. Express answer rounded to three decimal places.?e
A. 23.141
B. 22.459
C. 5.860
D. 8.540
Answer: B
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Find fraction notation and simplify.31.
%
A. 
B. 
C. 
D. 
The function that gives the cost of a certain commodity is defined by
?
?
where x is the number of pounds of a certain commodity sold and C(x) is measured in dollars. Sketch the graph of the function C.
?
Determine the values of x for which the function C is discontinuous.
?
A. ?
x = 20, 30, 40
B. ?
x = 50, 60
C. ?
x = 20, 30, 40
Use a calculator to find a graphical solution to the equation. Express results to the nearest thousandth.x2 + 9x = -7
A. -0.86, -8.14 B. 0.72, -9.72 C. -5.36, -5.36 D. 8.14, 0.86
Find the nth term {an} of the geometric sequence. When given, r is the common ratio.a = -3; r = 
A. an = -3 
n
B. an = -3 
n-1
C. an = -3 
n-1
D. an = 
(-3)n-1