Determine whether the pair of vectors is orthogonal.
, 
A. Yes
B. No
Answer: A
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Find the book value after the given number of years, using the straight-line method. Round your answer to the nearest dollar.Find the book value at the end of 4 years.Cost:$39,000Estimated life:9 yearsEstimated scrap value:$5,100
A. $21,667 B. $31,467 C. $15,067 D. $23,933
Find the cross-product and determine whether the proportion is true or false.
= 
A. 8 ? 162; false B. 72 = 72; true C. 18 ? 72; false D. 36 = 36; true
Solve the problem.The function f computes the annual interest paid on savings of x dollars with an interest rate of 8%. The graph of f and the horizontal line 
are shown in the figure. Determine the x-values that satisfy (i) the equation f(x) = 3.36 and (ii) the equation f(x) > 3.36. Express your answers symbolically. 
A. {x|x < 42}; {x|x ? 42} B. {x|x = 42}; {x|x > 42} C. {x|x < 42}; {x|x > 42} D. {x|x = 42}; {x|x ? 42}
Find the value for the function.Find f(2x) when f(x) = 
.
A. 
B. 
C. 2
D. 