Solve the equation.
= 
A. -5
B. - 
C. 7
D. -7
Answer: D
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Solve the problem.The deflection d (in m) of a diving board x m from the fixed end at the pool side is given by d = kx2(3L - x), where L is the length of the diving board and k is a positive constant. Find the instantaneous rate of change of d with respect to x for x = 1.8 m. Give your answer in terms of k and L.
A. (9.72kL - 5.832k) m/m B. (5.4kL - 1) m/m C. (19.44kL - 9.72k) m/m D. (10.8kL - 9.72k) m/m
Factor.2n2 + 5n - 63
A. (2n - 9)(9 - 2n) B. (2n - 72)(2n - 9) C. (2n - 9)(n + 7) D. (2n - 9)(n - 7)
Substitute the given values for the variables and then solve the equation for the remaining variable. Round approximate results to the second decimal place.V = 
Bh; V = 42, h = 7
A. 49 B. 18 C. 6 D. 294
Graph the line.
?
?
A. 
B. 
C. 
D. ?