State whether the function is a polynomial function or not. If it is, give its degree.f(x) = x5/4 - x6 + 2
A. Yes; degree 5/4
B. Yes; degree 5
C. Not a polynomial
D. Yes; degree 6
Answer: C
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Solve the problem using matrices.A chemist has prepared two acid solutions, one of which is 6% acid by volume, another 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of a solution that is 
acid.
A. No solution B. 23 cm3 of 6%; 27 cm3 of 10% C. 50 cm3 of 6%; 50 cm3 of 10% D. 4.08 cm3 of 6%; 45.92 cm3 of 10%
Use Descartes's Rule of Signs to determine the possible number of positive and negative real zeros for the given function.f(x) = x5 - 1.6x4 - 14.18x3 + 3x2 + 31.85x - 15.337
A. 2 or 0 positive zeros, 3 or 1 negative zeros B. 2 or 0 positive zeros, 2 or 0 negative zeros C. 3 or 1 positive zeros, 2 or 0 negative zeros D. 3 or 1 positive zeros, 3 or 1 negative zeros
Write the statement as an inequality.x is negative
A. x < 0 B. x ? 0 C. x > 0 D. x ? 0
Tell whether the relation is a function.?
A. Function B. Not a function