The function is concave down for

MATHEMATICS · Single correct · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

The function

g(x)=\sqrt{x}

is concave down for

x>0

. The tangent line to

g

x=9

is used to estimate

g(9.4)

. Which interval must contain the actual value of

g(9.4)

? (a)

(3.07,\,3.09)

(b)

(3.04,\,3.06)

(c)

(3.06,\,3.07)

(d)

(3.02,\,3.04)