Evaluate the root, if possible.
A. - 
B. 
C. 
D. - 
Answer: D
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Find the probability.A sample of 4 different calculators is randomly selected from a group containing 10 that are defective and 31 that have no defects. What is the probability that at least one of the 4 calculators in the sample is defective?
A. 0.689 B. 0.311 C. 0.673 D. 0.100
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. No x-intercepts , y-intercept: (0, -1) ; 
B. No x-intercepts , y-intercept: (0, -1) ;
C. x-intercept: (-4, 0) , y-intercept: (0, -1) ;
D. x-intercept: (-4, 0) , y-intercept: (0, 1) ;
Multiply. Assume that all variables represent positive values.(
+ 
)(
- 
)
A. 13a - 2b
B. 13a2 - 2b2
C. 13a - 15
+ 2b
D. 13a2 + 11ab - 2b2
Express the solution set of the inequality in interval notation.x > 21
A. [21, ?) B. (21, ?) C. (-?, 21] D. (-?, 21)