linear functions

Question

The height of a young flower is increasing in a linear fashion. Its height t weeks after the first of this month is given by H = 2.6t + 9 millimeters. Identify the initial value and growth rate, and explain in practical terms their meaning. In practical terms this means the flower's height at the beginning of the month was

Answer 1

The flower's height at the beginning of the month was 9 mm and grows 2.6 mm per week.