Suppose f satisfies the hypotheses of the mean value theorem on [a, b].
let s be the set of all slopes of chords determined by pairs of points on the graph of f and let d = {f'(x) : x ∈ (a, b)}
a) prove that s ⊂ d.
b) give an example to show that d can contain numbers not in s.

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

⭐dhruv⭐

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead

b

step-by-step explanation:

i dont know