Provide an appropriate response.Suppose f(1) = -5 and f(-2) = 4. Find f(x) if f is a linear function.

A. f(x) = -  + 
B. f(x) = -3x + 5
C. f(x) = -3x - 2
D. f(x) =   + 
E. f(x) =  - 


Answer: C

Mathematics

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Evaluate the expression for the given replacement values. Write the answer in simplest form.2x + y for x = - , y = - 

A. - 
B. - 
C. - 
D. - 

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Solve the equation.5x2 - 16x = 16

A. 4 or ? 
B. 0 or ? 
C. 1 or ? 
D.  or ?4

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Find the general term, an, of the given arithmetic sequence.2, 4, 8, 16, 32, . . .

A. an = 2n-1 + 1 B. an = 2 + 2(n - 1)  C. an = 2n D. an = 2n 

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Use the element method for proving a set equals the empty set to prove that

For all sets A and C, (A ? C) ? (C ? A) = ?.

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