Solve the Problem $\mathrm { N } = 4 \mathrm { x } ^ { 2 } + 3 \mathrm { x } + 1$

question 277

Multiple Choice

Solve the problem.
-The formula $\mathrm { N } = 4 \mathrm { x } ^ { 2 } + 3 \mathrm { x } + 1$ represents the number of households $\mathrm { N }$ , in thousands, in a certain city that have a computer x years after 1990 . According to the formula, in what year were there 77 thousand households with computers in this city?

• A) 1994
• B) 1993
• C) 1992
• D) 1995

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Definitions:

Modus Tollens

A logical argument form that suggests if a implies b, and b is found to be false, then a must also be false.

Antecedent

An event, condition, or cause that logically or temporally precedes another; in grammar, the noun or noun phrase that a pronoun refers to.

Inductive Reasoning

A method of reasoning in which general principles are inferred from specific observations, moving from particular instances to broader generalizations.