Where is the function f(x) = + 12x + 7 increasing, and where is it decreasing?
A) decreasing on (-$\infty$, -2) and increasing on (-2, $\infty$)
B) increasing on (-$\infty$, -2) and decreasing on (-2, $\infty$)
C) decreasing on (-$\infty$, -4) and increasing on (-4, $\infty$)
D) increasing on (-$\infty$, $\infty$)
E) increasing on (-$\infty$, -4) and decreasing on (-4, $\infty$)

Question

Where is the function f(x) =  + 12x + 7 increasing, and where is it decreasing?
A) decreasing on (-$\infty$, -2) and increasing on (-2, $\infty$) 
B) increasing on (-$\infty$, -2) and decreasing on (-2, $\infty$) 
C) decreasing on (-$\infty$, -4) and increasing on (-4, $\infty$) 
D) increasing on (-$\infty$, $\infty$) 
E) increasing on (-$\infty$, -4) and decreasing on (-4, $\infty$)

Quizplus · Accepted Answer

The Answer of Where is the function f(x) =  + 12x + 7 increasing, and where is it decreasing?
A) decreasing on (-$\infty$, -2) and increasing on (-2, $\infty$) 
B) increasing on (-$\infty$, -2) and decreasing on (-2, $\infty$) 
C) decreasing on (-$\infty$, -4) and increasing on (-4, $\infty$) 
D) increasing on (-$\infty$, $\infty$) 
E) increasing on (-$\infty$, -4) and decreasing on (-4, $\infty$)

Where Is the Function F(x) = + 12x ∞\infty∞ , -2) and Increasing on (-2

Where Is the Function F(x) = + 12x $\infty$ , -2) and Increasing on (-2