A teacher uses the function G(x) = -3x + 100 to calculate a student's grade, G(x), on a test if the student misses x questions on the test.
Which statement best describes the slope of the function?
A The test is worth 100 points.
B. There are 100 questions on the test.
C. The student can miss 3 questions and still pass.
D. The student will lose 3 points for each question missed.
? - 844