Solve the problem.The arch beneath a bridge is semi-elliptical, a one-way roadway passes under the arch. The width of the roadway is 38 feet and the height of the arch over the center of the roadway is 14 feet. Two trucks plan to use this road. They are both 10 feet wide. Truck 1 has an overall height of 
and Truck 2 has an overall height of 
. Draw a rough sketch of the situation and determine which of the trucks can pass under the bridge.
A. Truck 1 can pass under the bridge, but Truck 2 cannot.
B. Neither Truck 1 nor Truck 2 can pass under the bridge.
C. Truck 2 can pass under the bridge, but Truck 1 cannot.
D. Both Truck 1 and Truck 2 can pass under the bridge.
Answer: A
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Complete the square in x and y to find a Cartesian equation of the form 
+ 
= 1 for the given equation. Identify the center. 2x2 + 5y2 - 28x + 40y + 168 = 0
A. 
+ 
= 1; Center: (-7, 4)
B. 
+ 
= 1; Center: (7, -4)
C. 
+ 
= 1; Center: (7, -4)
D. 
+ 
= 1; Center: (-7, 4)
Establish the identity.
- 
= - cos v cot v
What will be an ideal response?
Write a formula for the general term, or nth term, for the given sequence.-2, 10, -50, 250, . . .
A. an = -2(-5)n B. an = -10n-1 C. an = -2(-5)n-1 D. an = -2 + (-5)n
Use the appropriate formula to answer the question.The area of a triangular flag is 600 cm2. If the height of the flag is 24 cm, what is the length of the base?
A. 575 cm B. 50 cm C. 12.5 cm D. 25 cm