Evaluate the polynomial.-5x + 5for x = 8
A. -80
B. 0
C. -45
D. -35
Answer: D
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Solve the problem.The height of a projectile moving vertically is given by the table, where t is the elapsed time in seconds and h is the height in feet.
If the height is modeled by 
where v0 and h0 are the velocity and height at 
respectively, find v0.
A. 350 ft/sec B. 600 ft/sec C. 1200 ft/sec D. 700 ft/sec
Solve.
= 9 - 
A. 2
B. 
C. 1
D. 
Perform the indicated operation.
A. 10 B. 2 C. -2 D. -10
Provide an appropriate response.For any augmented matrix of a system of linear equations, which of the following row transformations will not necessarily result in a matrix of an equivalent system?(i)Adding to the elements of any row a multiple of the corresponding elements of another row.(ii)Interchanging any two columns.(iii)Multiplying the elements of any row by the corresponding elements of another row.(iv)Multiplying the elements of any row by any nonzero number.
A. (i), (iv) B. (ii), (iii), (iv) C. (ii), (iii) D. (ii)