The GRE maths sample question given below is a select one or more answers type question in Algebra. Computing values of Functions is the concept tested in the question. A medium difficulty GRE Quantitative Reasoning practice question.
Question 4 : If f(x) = x2 + 4, which of the following is equal to f(9)?
Indicate ALL such answers.
f(x) = x2 + 4
f(9) = 92 + 4 = 85
Option A: f(3) = 32 + 4 = 13.
13 is not equal to f(9).
Hence, this option is not an answer.
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