Question

Determine the intervals on which the function is increasing, decreasing, and constant.

Answer 1

A. Increasing on x > - 1; Decreasing on x < - 1

B. Increasing on x < - 1; Decreasing on x > - 1

C. Increasing on x < - 1; Decreasing on x < - 1

D. Increasing on x > - 1; Decreasing on x > - 1

Answer 2

Increasing means positive slope, which looks like an uphill.
Decreasing means negative slope, which looks like a downhill.
Constant means 0 slope, which looks like a flat ground.

Answer 3

i got C. so would that be wrong?

Answer 4

Allow me to show you an example.


For this graph, I see a downhill on the left. I see a flat section in the middle, and I see an uphill on the right.

Answer 5

It's decreasing when x<-3
It's constant when x is between -3 and 2.
It's increasing when x >2.

Answer 6

so then for my problem.. id be right with C right? bc theres no constant in my graph

Answer 7

or B bc of the signs?

Answer 8

Increasing when x < -1 and decreasing when x<-1?
So when x< -1, it's both increasing and decreasing. That's insane.

Answer 9

Can you walk uphill and downhill at the same time?

Answer 10

oh.. no lol

Answer 11

Haha okay, so which one is it, and why?

Answer 12

wouldnt it be B then because it increasing to -1 but then decreasing back down?

Answer 13

Right =)

Answer 14

oh ok:) thankyou!!

Answer 15

You're welcome =D