Solve the problem.The maximum distance d in kilometers that you can see from a height h in meters is given by the formula 
How high above the ground must you be to see 30 kilometers. (Round to the nearest tenth of a meter.)
A. 19.2 m
B. 73.5 m
C. 257.1 m
D. 8.6 m
Answer: B
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For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 3x3Find (g ? f)(x).
A. 
B. 
C. 
D. 
Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.|3x - 8| - 3 > -9
A. (-?, ?)
B. 
C. 
D. ?
Use the coordinates of the indicated points to find the slope of the line. 
A. -2
B. 2
C. 
D. - 
Graph the quadratic equation using its properties. Identify the vertex, intercepts, and axis of symmetry.y = x2 - 4
A. vertex: (0, 4); x-intercepts: none;
y-intercept: 4; axis of symmetry: x = 0
B. vertex: (0, -4); x-intercepts: -2, 2;
y-intercept: -4; axis of symmetry: x = 0
C. vertex: (0, -4); x-intercepts: none;
y-intercept: -4; axis of symmetry: x = 0
D. vertex: (-4, 0); x-intercept: -4;
y-intercept: 16; axis of symmetry: x = -4