Determine the concavity of f(x) = - 24 + 6x + 18 and identify any points of inflection.
A) concave downwards on (-$\infty$, 8), upwards on (8, $\infty$); inflection at x = 8
B) concave downwards on (-$\infty$, -8), upwards on (-8, $\infty$); inflection at x = -8
C) concave upwards on (- $\infty$, 8), downwards on (8, $\infty$); inflection at x = 8
D) concave upwards on (- $\infty$, -8), downwards on (-8, $\infty$); inflection at x = -8
E) concave upwards on (-$\infty$, $\infty$); no inflection points

Question

Determine the concavity of f(x) =  - 24  + 6x + 18 and identify any points of inflection.
A) concave downwards on (-$\infty$, 8), upwards on (8, $\infty$); inflection at x = 8 
B) concave downwards on (-$\infty$, -8), upwards on (-8, $\infty$); inflection at x = -8 
C) concave upwards on (- $\infty$, 8), downwards on (8, $\infty$); inflection at x = 8 
D) concave upwards on (- $\infty$, -8), downwards on (-8, $\infty$); inflection at x = -8 
E) concave upwards on (-$\infty$, $\infty$); no inflection points

Quizplus · Accepted Answer

The Answer of Determine the concavity of f(x) =  - 24  + 6x + 18 and identify any points of inflection.
A) concave downwards on (-$\infty$, 8), upwards on (8, $\infty$); inflection at x = 8 
B) concave downwards on (-$\infty$, -8), upwards on (-8, $\infty$); inflection at x = -8 
C) concave upwards on (- $\infty$, 8), downwards on (8, $\infty$); inflection at x = 8 
D) concave upwards on (- $\infty$, -8), downwards on (-8, $\infty$); inflection at x = -8 
E) concave upwards on (-$\infty$, $\infty$); no inflection points

Determine the Concavity of F(x) = - 24 ∞\infty∞ , 8), Upwards on (8

Determine the Concavity of F(x) = - 24 $\infty$ , 8), Upwards on (8