Add and simplify.
+ 
A. 
B. 
C. 
D. 
Answer: A
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Find the domain and range of the inverse of the given function.f(x) = 
x - 8
A. Domain and range: all real numbers B. Domain: (-?, 8) ? (8, ?); range: (-?, 3) ? (3, ?) C. Domain: (-?, 3) ? (3, ?); range: all real numbers D. Domain and range: (-?, 3) ? (3, ?)
Use the given information to find the exact value of the trigonometric expression.tan ? = 
; ? < ? < 
Find cos(2?).
A. 
B. - 
C. - 
D. 
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.3y2 + 18y + 24
A. (3y + 4)(y + 2) B. 3(y - 4)(y - 2) C. (y + 4)(3y + 6) D. 3(y + 4)(y + 2)
Provide an appropriate response.The solution of the system 
is
A. x = - 
, y = 
B. x = 5, y = -1
C. the coordinates of any point on the line y = 
x - 
D. x = 
, y = 
E. no solution