Determine whether f is continuous at c.f(x) = 
; c = -9
A. not continuous
B. continuous
Answer: A
Mathematics
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Perform the indicated operation or operations. Simplify, if possible.
- 
A. x + 4
B. 
C. 
D. 
Mathematics
Factor the trinomials that are perfect-square trinomials. If it is not a perfect square, respond "not a perfect square."x2 + 12xy + 36y2
A. not a perfect square B. (x - 6y)2 C. (x + 6y)2 D. (x + 6y)(x - 6y)
Mathematics
Evaluate.(0.9)3
A. 2.7 B. 1 C. 0.81 D. 0.729
Mathematics
Graph the function and its inverse using the same set of axes. Use any method.f(x) = 3log x; f-1(x) = 10x/3
A. 
B. 
C. 
D. 
Mathematics