Mathematics
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10. The temperature outside changes at a constant rate. On Saturday, the temperature

10. The temperature outside changes at a constant rate. On Saturday, the temperature dropped -1.25 °F every 3 hours. What was the rate of change of °F per
hour?
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myanniespencer39
myanniespencer39
4,5(79 marks)

The function rule is

f:  x\to \:  {x}^{2}  - 1

Step-by-step explanation:

The given ordered pairs are (0,-1), (1,0),(2,3),(3,8),(4,15)

We can observe the following pattern.

f(0) =  {0}^{2}  - 1 =  - 1

f(1) =  {1}^{2}  - 1 = 0

f(2) =  {2}^{2}  - 1 = 3

f(3) =  {3}^{2}  - 1 = 8

f(4) =  {4}^{2}  - 1 = 15

When we generalize this pattern, we obtain:

f(x) =  {x}^{2}  - 1

This is the function equation.

The function rule is

f:  x\to \:  {x}^{2}  - 1

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