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JulijaS [17]
3 years ago
8

A hot air balloon descends to the ground. The function a(t) = 210 – 15t can be used to describe the altitude of the balloon as i

t approaches the ground. The time is in minutes
English
2 answers:
V125BC [204]3 years ago
4 0

Answer:

See Explanation

Explanation:

Given

a(t) = 210 - 5t

The attachment completes the question.

(a): What does t represent

t represents the time in minutes

(b): What does a(t) represent

This represents the altitude of the balloon at time t

(c): What information will a(5.5) give?

The information it will give is the altitude of the balloon at 5.5 minutes

And this altitude is calculated as follows

Substitute 5.5 for t in a(t) = 210 - 5t

a(5.5) = 210 - 5 * 5.5

a(5.5) = 210 - 27.5

a(5.5) = 182.5

<em>The balloon will be at an altitude of 182.5 at 5.5 minutes</em>

Bess [88]3 years ago
4 0

Answer:

Answer – C. (The graph is continuous because there can be fractional values for time) First we must understand that there can be fractional values for time; time can take on any value value within a finite or infinite interval, and as such is a continuous variable. Therefore, the graph is continuous.

Explanation:

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