An experiment consists of selecting a card from a standard deck of playing cards and noting whether the card is black (B) or red (R). Describe an appropriate sample space for this experiment.
?
A. {BR, RB}
B. {R, R}
C. {R, B, B, R}
D. {B, R}
E. {B, B}
Answer: D
Mathematics
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Find the general solution of the equation.y'(t) + 2y = 15
A. y = 
+ Ce-2t
B. y = 
+ Ce2t
C. y = 
+ e2t + Ce-2t
D. y = 15 + Ce2t
Mathematics
Factor completely, or state that the polynomial is prime.18x3 - 33x2 + 9x
A. 3(3x2 - 1)(2x - 3) B. x(3x - 1)(6x - 9) C. 3x(3x - 1)(2x - 3) D. x(9x - 3)(2x - 3)
Mathematics
Match the given function to its graph.1) y = 1 + sin x2) y = 1 + cos x3) y = -1 + sin x4) y = -1 + cos xA B
CD
A. 1B, 2D, 3C, 4A B. 1A, 2B, 3C, 4D C. 1A, 2D, 3C, 4B D. 1A, 2C, 3D, 4B
Mathematics
Multiply or divide. Write the answer in lowest terms.
÷ 
A. 
B. 
C. 
D. 
Mathematics