The graph of a function f is given. Use the graph to answer the question.What is the domain of f?
A. {x|-5 ? x ? 5}
B. {x|-4 ? x ? 5.5}
C. {x|x ? 0}
D. all real numbers
Answer: A
Mathematics
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Use an Euler diagram to determine whether the syllogism is valid or invalid.Students who study get better grades.Roger is a student who studies. ? Roger will get better grades.
A. Invalid B. Valid
Mathematics
Verify the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
Mathematics
If the function is one-to-one, find its inverse. If not, write "not one-to-one."f(x) = x3 - 8
A. not a one-to-one
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
+ 8
Mathematics
Find all real and imaginary solutions.x3 + 5x2 + 9x + 45 = 0
A. {-5, ±3i}
B. {-5, ±
}
C. {-5, 45i, 9i}
D. {-
, ±3i}
Mathematics