Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(
+ 3)(
- 3)
A. 8 - 2
B. 5
C. -1
D. 17
Answer: C
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Find a formula for the inverse of the function described below.A size 4 dress in Country C is size 40 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = 
B. f-1(x) = x - 36
C. f-1(x) = x + 36
D. f-1(x) = 
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find cos (? - ?).
A. 
B. 
C. 
D. 
Find the area of the triangle. If necessary, round the answer to two decimal places.
A. 2.09 B. 95.63 C. 23.91 D. 29.41
Solve the problem.A ball is thrown vertically upward from the top of a building 96 feet tall with an initial velocity of 80 feet per second. The distance s (in feet) of the ball from the ground after t seconds is 
After how many seconds will the ball pass the top of the building on its way down?
A. 96 sec B. 7 sec C. 5 sec D. 4 sec