Solve the Problem $N = 4 x ^ { 2 } + 5 x + 3$

question 381

Multiple Choice

Solve the problem.
-The formula $N = 4 x ^ { 2 } + 5 x + 3$ represents the number of households $N$ , in thousands, in a certain city that have a computer x years after 1990 . According to the formula, in what year were there 87 thousand households with computers in this city?

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

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