Solve the problem.The function f computes the annual interest paid on savings of x dollars with an interest rate of 7%. The graph of f and the horizontal line 
are shown in the figure. Determine the savings amounts that result in (i) an annual interest less than $2.94 and (ii) an annual interest of $2.94 or more. 
A. between $0 and $42; $42 or more
B. $42 or less; between $42 and $48
C. between $6 and $42; $42 or more
D. $42 or more; $42
Answer: A
Mathematics
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Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.a1 = - 
, d = - 
A. an = - 
n - 
; a20 = - 
B. an = - 
n - 
; a20 = - 
C. an = - 
n - 
; a20 = - 
D. an = - 
n + 
; a20 = - 
Mathematics
Perform the indicated operations and write the result in standard form.
+ 
A. 54i B. -15 C. -15i D. 15i
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 2x2y
B. 28xy
C. 4x2y
D. 2x4y2
Mathematics
Use TRACE to find the value of y for the given value of x.y = -5x + 38x = 6
A. 7 B. -190 C. 38 D. 8
Mathematics