Multiple Choice

A production supervisor uses the formula 2x2+3x+82x^2 + 3x + 8 to estimate the total energy consumption for a specialized manufacturing run, where xx represents the number of machine cycles. When the supervisor evaluates the formula for x=4x = 4 cycles, which of the following shows the correct numerical setup for the formula immediately after the value 4 is substituted for xx?

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Updated 2026-04-21

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Elementary Algebra @ OpenStax

Ch.1 Foundations - Elementary Algebra @ OpenStax

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Ch.6 Polynomials - Elementary Algebra @ OpenStax

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