Decide on a suitable restriction on the domain so that the function is one-to-one and the range is not changed.f(x) = (x - 9)2
A. [-9, ?)
B. [9, ?)
C. [-9, 9)
D. (-9, 8)
Answer: B
Mathematics
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Solve the inequality. Express your answer using interval notation.|2x - 5| + 6 < 10
A. no solution
B. 
C. 
or 
D. 
Mathematics
Divide. Express your answer in standard form.
A. -9 - 8i B. 8 - 9i C. -9 + 8i D. 225 - 200i
Mathematics
Convert the equation given in rectangular form into polar form.y2 = 5x
A. r2(cos ? + sin ?) = 5 B. r = 5 cot x cscx C. r = 5 cot2 x D. r = 25 cot x cscx
Mathematics
Solve the quadratic equation by the square root property. If possible, simplify radicals or rationalize denominators.(x + 5)2 = 11
A. {-5 ± 
}
B. {6}
C. {5 ± 
}
D. {±
}
Mathematics