This math topic focuses on variable substitution in algebraic functions that involve fractional squared terms and negatives. It is included in an advanced segment of Algebra basic concepts. Students are required to calculate the value of given expressions for specific variable values. The questions use rational expressions with variables squared, including instances where variables are negative. Several multiple-choice answers are offered for each question, and students must solve the equations to find the correct value among the options presented. This practice requires a good understanding of algebraic manipulation, substitution, and simplification of complex fractions.
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What is the value of this equation when y=4, n=2, c=-4