Determine the values of x for which the function is differentiable.y = 
A. All real numbers except 5
B. All real numbers except 25
C. All real numbers
D. All real numbers except -5 and 5
Answer: C
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Decide whether the statement is true or false.The distance between the points (p, q) and (a, b) is given by d = 
A. True B. False
Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(-i)11
A. 1 B. -1 C. -i D. i
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
First rewrite the quadratic function in standard form by completing the square, then find any x-intercepts and any y-intercepts.f(x) = 3x2 + 8x + 2
Give your answers in exact form.
A. x-intercepts: 
and 
; y-intercept: 0
B. x-intercepts: 
and 
; y-intercept: 2
C. x-intercepts: 
and 
; y-intercept: 2
D. x-intercepts: 
and 
; y-intercept: 0