Find the degree of the following polynomial and determine whether it is a monomial, binomial, trinomial, or none of these.-9z + 4
A. -9; monomial
B. 0; binomial
C. 2; binomial
D. 1; binomial
Answer: D
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Determine the value or values that are excluded from the following expression.
A. -6 B. 6 C. 0 D. none
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 - 4x
A. (-4, 2); x = -4 B. (2, -4); x = 2 C. (-2, 4); x = -2 D. (4, -2); x = 4
Solve. Assume the exercise describes a linear relationship.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 802. Find a linear equation which fits this data, and which relates score to review time. Use this equation to predict an average score for persons taking a 57-hour review course. Round your answer to the nearest tenth.
A. 747.1 B. 756.9 C. 735.6 D. 742.9
Use a vertical shift to graph the function.y = 1 + cos x
A. 
B. 
C. 
D. 