Solve the problem.An experimental model for a suspension bridge is built in the shape of a parabolic arch. In one section, cable runs from the top of one tower down to the roadway, just touching it there, and up again to the top of a second tower. The towers stand 40 inches apart. At a point between the towers and 14 inches along the road from the base of one tower, the cable is 0.36 inches above the roadway. Find the height of the towers.
A. 3.5 in.
B. 4.5 in.
C. 4 in.
D. 6 in.
Answer: C
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Solve the problem.A man earned $3500 the first year he worked. If he received a raise of $600 at the end of each year, what was his salary during the 15th year?
A. $8400 B. $12,500 C. $3500 D. $11,900
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = -8 B. x = 6, x = -4 C. x = -6, x = 4 D. x = -6, x = 4, y = 0
Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Solve the inequality. Graph the solution on a number line and represent the solution in interval notation when possible.
? 
+ 
A. x ? -1
(-?, -1]
B. x ? -1
[-1, ?)
C. x < -1
(-?, -1)
D. x > -1
(-1, ?)