Scientists Have Discovered That a Linear Relationship Exists Between the Amount

Scientists have discovered that a linear relationship exists between the amount of flobberworm mucus secretions and the air temperature. When the temperature is $65 ^ { \circ } \mathrm { F }$ , the flobberworms each secrete 16 grams of mucus a day; when the temperature is $95 ^ { \circ } \mathrm { F }$ , they each secrete 22 grams of mucus a day. Find a function $M ( t )$ that gives the amount of mucus secreted on a given day, where $t$ is the temperature of that day in degrees Fahrenheit.

A) $M ( t ) = 0.2 t + 16$
B) $M ( t ) = 5 t + 16$
C) $M ( t ) = 5 t + 3$
D) $M ( t ) = 0.2 t + 3$