Consider the curve y fx in Fig 13 Find f6 and f6 Solutiony

Consider the curve y = f(x) in Fig. 13. Find f(6) and f\'(6).

Solution

y = x/3 + 2

y = mx +c

so slope = m = 1/3

thus

f\'(6) = 1/3

f(6) = 6/3 + 2 = 2+ 2 = 4