The graph models the height of a burning candle over a 10-hour period. What is the rate of change of the candles height?

D. -1.5 cm/hour

Step-by-step explanation:

Rate of change =

Using the coordinates of the two points on the line, (0, 18) and (4, 12),

Let,

Plug the values into the formula for rate of change.

Rate of change =

Simplify

Rate of change = -1.5 cm/hour

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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black/brown

step-by-step explanation:

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