The correct answer is A(n) = 12 + (n – 1)11; 166 millimeters.
The rule represents an arithmetic sequence where the initial term is 12 millimeters, and the common difference is 11 millimeters. Plugging in n = 15 into the formula, we can find the height of the blade after 15 days:
A(15) = 12 + (15 – 1)11
A(15) = 12 + 14 * 11
A(15) = 12 + 154
A(15) = 166 millimeters.
Grass seeds grow rapidly. A grass seed has grown to a 12 millimeter tall blade of grass. Tomorrow it will be 23 millimeters tall, the next day it will be 34 millimeters tall, and on the next day it will be 45 millimeters tall. Write a rule to represent the height of the blade of grass as an arithmetic sequence. How tall will the blade of grass be in 15 days?(1 point)ResponsesA(n) = 16 + (n – 1)11; 194 millimetersA(n) = 16 + ( n – 1)11; 194 millimetersA(n) = 12 + (n – 1)11; 166 millimetersA(n) = 12 + ( n – 1)11; 166 millimetersA(n) = 13n; 195 millimetersA(n) = 13 n ; 195 millimetersA(n) = 12n; 180 millimeters
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