Evaluate the function for the given value.f(x) = 
; f(a)
A. 2 if a ? 7, 14 if a = 7
B. 0 if a ? 7, 14 if a = 7
C. 
if a = 7, 14 if a ? 7
D. 
if a ? 7, 14 if a = 7
Answer: D
Mathematics
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Simplify.i17
A. -i B. -1 C. i D. 1
Mathematics
Provide an appropriate response.Consider the logistic function f(x) = 
, where b > 0. Is this function increasing or decreasing?
What will be an ideal response?
Mathematics
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
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.x < -3 or x > 8
A. (-3, 8)
B. (-?, -3) ? (8, ?)
C. (-?, -8) ? (3, ?)
D. [-8, -3]
Mathematics