Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = x 
A. f-1(x) = x 
B. f-1(x) = x3 - 2
C. Not one-to-one
D. f-1(x) = x2 + 2
Answer: C
Mathematics
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Two cards are drawn in succession (without replacement) from an ordinary deck of 52 cards.Find the probability that the second card is red if the first card is the king of hearts.
Fill in the blank(s) with the appropriate word(s).
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Multiply.
?
?
A. 83.7 B. 8.37 C. -8.37 D. -14.27 E. -83.7
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(a) Prove the following statement using the element method for proving that a set equals the empty set: For all sets A and B, A ? (B ? A) = ?. (b) Use the properties in Theorem 6.2.2 to prove the statement in part (a). Be sure to give a reason for every step.
What will be an ideal response?
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Find all values that make the expression undefined.
A. 9, -9 B. 0 C. -6, -9 D. 6, 9
Mathematics