T= 0.25q + 87
manon's statistics professor puts a bonus question on every test, which adds 0.25 points to a
student's overall grade at the end of the term. the above equation gives manon's current overall
grade, t, after taking into account ( extra credit questions answered correctly. what does the
87 mean in this equation?

a)
manon must get an 87 or above to pass.

(b)
manon's average is an 87 before adding the extra credit.

c)
after adding in her extra credit, manon's average is an 87.

d)
manon's professor gave 87 opportunities for extra credit this term.