Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = -x2 + 2x + 1
A. (-1, -2)
B. (2, 1)
C. (1, 2)
D. (-1, 0)
Answer: C
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Write an equation for the linear function and use it to answer the given question. The price of a particular model car is $11,730 today and rises with time at a constant rate of $1125 per year. How much will a new car cost in 3.2 years?
A. p = 11,730 + 1125t; $15,330.00 B. p = 11,730t - 1125; $36,411.00 C. p = 1125 + 11,730t; $38,661.00 D. p = 11,730 - 1125t; $8130.00
Write the decimal point in the correct location. 
A. 4835.0 B. 4.835 C. 48.35 D. 483.5
Solve the problem.Sue buys a house which has a rectangular yard measuring 15.4 meters by 15.3 meters. In one corner of the yard is a rectangular shed measuring 3.2 meters by 3.9 meters. Sue intends to grow grass in the whole of the yard. What is the area of the yard excluding the shed?
A. 235.62 m2 B. 223.14 m2 C. 3.2 m2 D. 2231.4 m2
For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f ? g.
A. (f ? g)(x) = 
; {x|x ? -7, x ? 0}
B. (f ? g)(x) = 
; {x|x ? 0}
C. (f ? g)(x) = 
; {x|x ? -7, x ? 0}
D. (f ? g)(x) = 
; {x|x ? -7, x ? 0}