Graph the linear inequality.x + 2y ? 2
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Find the tangent to y = cot x at x = 
.
A. y = 2x - 
+ 1
B. y = -2x + 
C. y = 2x + 1
D. y = -2x + 
+ 1
Use simple probability to complete the exercises.This problem deals with eye color, an inherited trait. For purposes of this problem, assume that only two eye colors are possible, brown and blue. We use b to represent a blue eye gene and B a brown eye gene. If any B genes are present, the person will have brown eyes. The table shows the four possibilities for the children of two Bb (brown-eyed) parents, where each parent has one of each eye color gene. Second Parent B bFirst Parent B BB Bb b Bb bbFind the probability that these parents give birth to a child who has blue eyes.
A. 0
B. 
C. 
D. 1
Calculate.7 ? 42 + 1 ? 7 - 2( 2 + 3)
A. 118 B. 781 C. 109 D. 25
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00