Provide an appropriate response.Find a linear function, f, given f(8) = 9 and f(-1) = 6.75.

A. f(x) = - x + 4
B. f(x) = x + 7
C. f(x) = x + 4
D. f(x) = x - 7


Answer: B

Mathematics

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Obtain the Cartesian equation of the curve by eliminating the parameter.x = 5t + 4, y = 15t + 16, -? ? t ? ?

A. y = 3x - 4 B. y = 15x + 4 C. y = 3x + 4 D. y = 3x + 16

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Construct a truth table for the given statement and then determine if the statement is a tautology.[ (p ? ~ q) ? q ] ? p

A.
  Is a tautology.

B.
  Is a tautology.

C.
  Is not a tautology.

D.
  Is not a tautology.

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Solve the problem.Find the missing length in the following right triangle. If necessary, round to the nearest tenth. 

A. 21.1 cm B. 222.5 cm C. 445 cm D. 14.5 cm

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Use the properties of logarithms to evaluate the expression.ln e8

A. e8 B. 8 ln e C. 1 D. 8

Mathematics