Find a linear function whose graph has the given slope and y-intercept.Slope - 
, y-intercept 4
A. f(x) = - 
x + 4
B. f(x) = - 
x - 4
C. f(x) = 
x - 4
D. f(x) = 
x + 4
Answer: A
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A. ? B. ?
Graph the exponential function and state the domain and range.y = 2-x
A. Domain: (0, ?), Range: (0, ?)
B. Domain: (-?, ?), Range: (0, ?) 
C. Domain: (-?, ?), Range: (-?, 0)
D. Domain: (-?, 0), Range: (-?, 0)
The figure depicts a racetrack with ends that are semicircular in shape. The length of the track is 
.
?
?
Find r and lso that the area enclosed by the rectangular region of the racetrack is as large as possible.
?
A. 
B. 
C. ?
D. ?
State the degree and leading coefficient of the polynomial function.f(x) = 19 + 14x + 10x2 - 19x3 - 18x4
A. Degree: 4; leading coefficient: 19 B. Degree: 4; leading coefficient: -18 C. Degree: 19; leading coefficient: -18 D. Degree: 3; leading coefficient: -19