Simplify the expression, using only positive exponents in your answer.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use the graph to evaluate the limit.
f(x)
A. ?
B. - 
C. -1
D. 
Mathematics
Solve the problem.If an object is propelled upward from a height of 144 feet at an initial velocity of 128 feet per second, then its height h after t seconds is given by the equation 
After how many seconds does the object hit the ground?
A. 11 sec B. 4.5 sec C. 8.0 sec D. 9 sec
Mathematics
Solve the quadratic equation by completing the square.16x2 + 1 = 5x
A. 
B. 
C. 
D. 
Mathematics
Graph the function.y = 2 - 3 sec 
A. 
B. 
C. 
D. 
Mathematics