Factor.x2 + 30x + 225
A. (x + 15)2
B. (x - 15)2
C. x2 + 30x + 225
D. (x + 15)(x - 15)
Answer: A
Mathematics
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Find the inverse using composition.f(x) = -1 - 6x
A. f-1(x) = - 
+ 
B. f-1(x) = - 
- 
C. f-1(x) = 5 - x
D. f-1(x) = 
- 
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. x4
C. x
D. x2
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 365
B. 
= 182.5
C. 
? 19.105
D. 
? 5.196
Mathematics