Solve the problem.Find equations for the horizontal and vertical tangent lines to the curve 
A. Horizontal: y = 0 at (0, 0), y = 5 at 
; vertical: x = 
at 
, x = - 
at 
B. Horizontal: y = 
at 
, y = - 
at 
; vertical: x = 5 at (5, 0), x = 0 at 
C. Horizontal: y = 
at 
, y = - 
at 
; vertical: x = 0 at (0, 0), x = 5 at 
D. Horizontal: y = 5 at (5, 0), y = 0, 
; vertical: x = 
at 
, x = - 
at 
Answer: A
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Evaluate the following expression. ? 72· 7 ?
A. 225 B. 347 C. 3375 D. 346 E. 343
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x - 8
A. 
Vertex: (1, 9);
x-intercepts: (-2, 0) and (4, 0)
B. 
Vertex: (- 1, - 9);
x-intercepts: (-4, 0) and (2, 0)
C. 
Vertex: (1, - 9);
x-intercepts: (-2, 0) and (4, 0)
D. 
Vertex: (- 1, - 9);
x-intercepts: (4, 0) and (2, 0)
Solve the formula for the indicated variable.I = 
, for n
A. n = 
B. n = 
C. n = 
D. n = IR(Ir - E)
Solve the problem.If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 
, what are the odds against a direct hit?
A. 4 to 1 B. 2 to 1 C. 3 to 1 D. 1 to 4