Simplify.

A.  
B.  
C.  
D. - 


Answer: B

Mathematics

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Solve the problem.The position of a projectile fired with an initial velocity v0 feet per second and at an angle ? to the horizontal at the end of t seconds is given by the parametric equations   Suppose the initial velocity is 3 feet per second. Obtain the rectangular equation of the trajectory and identify the curve.

A. y =   + (cot ?)x; parabola
B. y = -   + (cot ?)x; hyperbola
C. y = -   + (tan ?)x; parabola
D. y = -   + (tan ?)x; ellipse

Mathematics

Solve the problem.Mrs. Missler prepared her grocery list at home. Her list contained the following items with their sale prices: cheese -   soda - ; hamburger - ; and gum - . She bought all of the items at the store except the

crackers. How much money did she spend? A. $27.39 B. $26.44 C. $26.39 D. $25.44

Mathematics

Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = 4x2 - 6

A.

B.

C.

D.

Mathematics

Write the function as the composition of two functions f and g such that y = f[g(x)]).y =  + 8

A. f(x) = , g(x) =  + 8 
B. f(x) = x + 8, g(x) = 
C. f(x) = x, g(x) =  + 8 
D. f(x) = , g(x) = 8

Mathematics