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Sagot :
SOLUTION
Step 1 :
In this question, we are meant to calculate the average rate of the change over the
interval
[tex]\begin{gathered} 2\text{ }\leq\text{ x }\leq\text{ 4} \\ \text{where f ( x ) = 2}^x\text{ + 10} \end{gathered}[/tex]Step 2 :
For the average rate of change, we need to do the following calculations:
[tex]\frac{f(\text{ 4 ) - f( 2)}}{4-\text{ 2 }}[/tex]putting x = 4 in
[tex]\begin{gathered} f(4)=2^4\text{ + 10 } \\ =\text{ 16 + 10 } \\ =\text{ 26} \end{gathered}[/tex]putting x = 2 in
[tex]\begin{gathered} f(2)=2^{2\text{ }}+\text{ 10} \\ =\text{ 4 + 10} \\ =14 \end{gathered}[/tex][tex]\frac{f\text{ ( 4 ) - f( 2 )}}{4\text{ - 2 }}\text{ = }\frac{26\text{ - 14}}{4\text{ - 2}}\text{ = }\frac{12}{2}\text{ = 6}[/tex]CONCLUSION: The average rate of change = 6.
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