Over which interval is the graph of f(x)=1/2x2+5x+6 increasing?
(-6.5, ∞)
(-5, ∞)
(-∞, -5)
(-∞, -6.5)

The answer to your question is (-5, ∞)

Step-by-step explanation:

A curve decreases when it goes down from left to right.

A curve increases when it goes up from left to right.

In the graph, we notice that it goes down from -∞ to the vertex (-5, -6.5)

And it goes up from the vertex (-5, -6.5) to +∞.

So the answer is (-5, ∞)

here the number -5 is all of the following except a rational number.

step-by-step explanation:

answer: the value of x is 7cm

step-by-step explanation: