Solve the system of equations by the addition method.
A. (2, 9)
B. no solution
C. (-3, 9)
D. (3, 8)
Answer: D
Mathematics
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Solve the problem.If an object is propelled upward with an initial velocity of 112 feet per second, then its height in feet after t seconds is given by h = 112t - 16t2. Find the maximum height attained by the object.
A. 191 feet B. 196 feet C. 206 feet D. 201 feet
Mathematics
Evaluate the limit by direct evaluation. Change the form of the function where necessary.
A. - 12 B. 12 C. Does not exist D. 4
Mathematics
The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 
A. 
B. Function is its own inverse
Mathematics
Find numbers a and b, or k, so that f is continuous at every point.
A. k = 20 B. k = 30 C. k = -5 D. Impossible
Mathematics