Question

(12 pts) Choose whether the graphs of the following situations would have a positive slope, a negative slope, or a slope of zero
a. The amount of water in a bathtub as it is being filled
b. The temperature of a hot drink that you left sitting on your desk
c. The number of light bulbs on the Halloween string lights around your window
d. Power in your cell phone battery as you stream a video

Answer 1

Using the slope concept, we verify if the amounts increase or decrease, and it is found that it's sign's are given by:

a) Positive.

b) Negative.

c) Positive.

d) Negative.

What is a slope?

It is equivalent to the rate of change of a function.

• If the function increases, it is positive.

• If the function decreases, it is negative.

• If the function remains constant, it is of zero.

In this problem, in items a and c, the amounts increase, hence the sign is positive. In items b and d, the amount decreases, hence it is negative.

More can be learned about the slope concept at https://brainly.com/question/18090623