Answer:
H(10) Would be the time, in minutes the balloon spent in air . H(10) Means the balloon spent 10 minutes in air
The answer would be 390+ 390 =780
Hi there! The answer is A.

To get a proper idea of the type of function this formula represents we work out the parenthesis.
Working out the parenthesis can for instance be done using rainbow technique.

We can now see sinilarities between this function an the general function of a line in slope intercept form

The function t therefore describes a line with slope 2 and y-intercept 4. Therefore the answer is A.
Answer:
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