Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 1
B. 
C. 
D. 
Answer: D
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Write the following proportion.40 is to 5 as 104 is to 13
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.The domain of a function f is [5, ?) and its range is [-6, ?). State the domain and the range of f-1.
A. The domain of a function f-1 is (-?, -5] and its range is (-?, -5].
B. The domain of a function f-1 is [- 
, ?) and its range is [
, ?).
C. The domain of a function f-1 is [-6, ?) and its range is [5, ?).
D. The domain of a function f-1 is [5, ?) and its range is [-6, ?).
Solve the logarithmic equation. Be sure to reject any value that is not in the domain of the original logarithmic expressions. Give the exact answer.log3x = 5
A. {243} B. {15} C. {1.46} D. {125}
A hot-air balloon is held at a constant altitude by two ropes that are anchored to the ground. One rope is 125 feet long and makes an angle of 64° with the ground. The other rope is 120 feet long. What is the distance between the points on the ground at which the two ropes are anchored? ? Apply the rules regarding the use of significant digits after all computations are complete. ? __________ ft.
What will be an ideal response?