Solve the problem.If an object is dropped from a tower of unknown height, the velocity of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Therefore, you can express V as a linear function of t. Find the domain of this function.
A. [0, ?)
B. [1, 4]
C. (-?, ?)
D. (-1, ?)
Answer: A
Mathematics
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Solve the inequality and graph the solution set.|4y - 7| > -4
A. ?
B. (-?, ?)
C. 
D. 
Mathematics
Use a commutative property to complete the statement.mn = 
A. m + n
B. 
C. -mn
D. nm
Mathematics
Use the simplex method to solve the linear programming problem.Maximizez = 4x1 + 2x2subject to:x1 + 5x2 ? 14 2x1 + 3x2 ? 12withx1 ? 0, x2 ? 0
A. Maximum is 56 when x1 = 14, x2 = 0 B. Maximum is 24 when x1 = 6, x2 = 0 C. Maximum is 12 when x1 = 6, x2 = 0 D. Maximum is 14.6 when x1 = 2.5, x2 = 2.3
Mathematics
Give all possible rational zeros for the polynomial.f(x) = 2x3 + 9x2 + 8x - 8
A. ±1, ±2, ±4, ±8
B. ±1, ± 
, ± 
, ± 
, ±2
C. ±1, ± 
, ±2, ±4, ±8
D. ±1, ±2, ±4
Mathematics