Determine the domain and range. Then state whether the relation is a function.
A. Domain: all real numbers
Range: all real numbers
Function
B. Domain: {x|x < 0}
Range: all real numbers
Not a function
C. Domain: all real numbers
Range: {y|y < 0};
Not a function
D. Domain: all real numbers
Range: {y|y > 0}
Function
Answer: D
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Solve the problem.If an object is projected upward with an initial velocity of 16 feet per second from a height of 192 feet, then its height t seconds after it is projected is given by the expression -16t2 + 16t + 192. How long after it is projected will it hit the ground?
A. 6 seconds B. 5 seconds C. 4 seconds D. 3 seconds
Solve the quadratic equation and express all nonreal complex solutions in terms of i.x2 = -36
A. {±36i} B. {0, -36i} C. {0, 6i} D. {±6i}
Find the equation of the parabola which has the given vertex V, which passes through the given point P, and which has the specified axis of symmetry.V(0, 0), P(-3, -5), vertical axis of symmetry
A. x2 = - 
y
B. y2 = - 
x
C. y2 = - 
x
D. x2 = - 
y
Use the chart below to answer the question. 
Matt has a budget of $1849. Can he afford to buy the computer for $1299 with options (a), (f), and (g)?
A. No B. Yes