Determine whether the equation is a linear equation in two variables.x2 = 2y
A. yes
B. no
Answer: B
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Find the inverse of the function.f(x) = 
, x ? 5
A. f-1(x) = x + 5, x ? 0 B. Not a one-to-one function C. f-1(x) = x2 - 5, x ? 0 D. f-1(x) = x2 + 5, x ? 0
Write the set in set-builder notation.{2, 4, 6, 8}
A. {x | x is any integer} B. {2, 4, 6, 8} C. {x | x is an even natural number less than 10} D. {x | x is any even natural number}
Provide an appropriate response.If a number has a negative natural logarithm, then the number must be ___.
Fill in the blank(s) with the appropriate word(s).
?Fill in the blank to make the following number divisible by 3 and 5, and explain why:64_0
A. ?blank is 5, since 3 goes into 6 and 4 and 5 goes into 5 and 0. B. ?blank is 2, since the sum of 6, 4, 2, and 0 is divisible by 3 and the number ends in 0. C. ?blank is 1, since the sum of 6, 4, 1, and 0 is divisible by 3 and the number ends in 0. D. ?blank cannot be filled in with any number since 5 will only go into numbers ending in 5. E. ?blank can only be 8, since the sum of the digits must be divisible by 9.