Evaluate.
- 
A. -30
B. 50
C. 128
D. 30
Answer: D
Mathematics
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Find the phase shift of the function.y = -5 cos 
A. 
units to the right
B. 
units to the left
C. 4 units down
D. 4 units up
Mathematics
Solve the exponential equation by taking the logarithm on both sides. Express the solution set in terms of logarithms.2(x + 6) = 3
A. 
B. {log 3 - log 2 - log 6}
C. 
D. 
Mathematics
Solve the problem.Mari drops a ball from a height of 18 meters and notices that on each bounce the ball returns to about 7/8 of its previous height. About how far will ball travel before it comes to rest?
A. 38.6 m B. 270 m C. 288 m D. 144 m
Mathematics
Multiply.10(-11x + 9)
A. -20x B. -110x + 9 C. -110x + 90 D. -11x + 90
Mathematics