Decide whether the relation defines a function.y = 4x - 6
A. Function
B. Not a function
Answer: A
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Solve the problem.The surface area of a hollow cylinder (tube) is given by 
where h is the length of the cylinder and R1 and R2 are the outer and inner radii. If h, R1, and R2 are measured to be 9 inches, 5 inches, and 6 inches respectively, and if these measurements are accurate to within 0.1 inches, estimate the maximum percentage error in computing S.
A. 0.031% B. 0.051% C. 0.028% D. 0.040%
Evaluate. 105
A. 50 B. 1,000,000 C. 100,000 D. 9,765,625
Write the product as a sum or difference containing only sines or cosines.cos(3?) cos(5?)
A. 
[cos(8?) - sin(2?)]
B. 
[cos(2?) + cos(8?)]
C. cos2(11?2)
D. 
[cos(8?) - cos(2?)]
Solve the absolute value equation.
+ 5 = 13
A. no solution
B. x = - 
, 
C. x = - 
, 
D. x = - 
, 