Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
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Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P > 0 (a profit is made).
A. t = 34 units B. t > 19 units or t < 15 units C. t = 19 units or t = 15 units D. 19 units < t < 15 units
Determine the slope and y-intercept of the function.p(x) = -x + 1
A. m = -1; b =1 B. m =1; b = - 1 C. m = 0; b = 1 D. m = -1; b = - 1
Find the location of the center, vertices, and foci for the hyperbola described by the equation.
- 
= 1
A. Center: (-3, 4); Vertices: (-10, 4) and (4, 4); Foci: 
and 
B. Center: (3, -4); Vertices: (-4, -4) and (10, -4); Foci: 
and (
C. Center: (3, -4); Vertices: (-3, -4) and (11, -4); Foci: (4 + 
, -3) and (-3 + 
, -3)
D. Center: (3, -4); Vertices: (-4, 4) and (10, 4); Foci: (3 - 
, 4) and (3 + 
, 4)
Find the zeros of the function. Give exact answers.f(x) = 3x2 - x + 4
A. - 
, 
B. 
± 
i
C. 
± 
i
D. 1 ± 