Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = 2 + 3x + x2 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify.-(-|-(-6)|)
A. 6 B. -1 C. -6 D. 1
Mathematics
Solve the problem.A package of weather instruments is propelled into the air to a certain altitude at which point a parachute opens and the package returns to the surface. The altitude y (in km) of the package as a function of the time t (in min) is given by 
. Find the vertical velocity of the package for 
min.
A. -1.4 km/min B. -0.87 km/min C. -1.1 km/min D. -0.95 km/min
Mathematics
Perform the indicated operation
Mathematics
Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.tan(sec-1 
)
A. 
B. 2x
C. 
D. 
Mathematics