Differentiation in Real-World Scenarios -Ms. Li

Let g be a function that is differentiable over the interval (2, 9) . Giveng(3) = 5 , g(6) = -2 , and g(8) = 5 , which of the following must be true?

I. g has at least one horizontal tangent line.

II. g has at least 2 zeros.

III. For some c in the interval (3, 6), f'(c) = -7/3.

• II only

• II and III

• I and II

• I, II, and III

Tags

CCSS.HSF.IF.B.6