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#33031

linear

applications

functions

easy

30 sec

A botanist models the height of a sunflower, in centimeters, using the equation $h (d) = a + b d$ , where $h (d)$ is the height of the sunflower $d$ days after it sprouted. The model predicts the sunflower was 5 centimeters tall when it sprouted and grew at a constant rate of 2.5 centimeters per day. What is the value of $b$ ?

• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-).
• Fractions must be in lowest terms.
• Mixed numbers must be converted to improper fractions.