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If f(z)= sqrt z2+8z , then how much does f(z) increase as z goes from 7 to 8?

If correct will give Brainliest

If Fz Sqrt Z28z Then How Much Does Fz Increase As Z Goes From 7 To 8 If Correct Will Give Brainliest class=

Sagot :

Answer:

B

Step-by-step explanation:

[tex]f(7)=\sqrt{7^2+8*7}=\sqrt{49+56}=\sqrt{105} \approx 10.247\\f(8)=\sqrt{8^2+8*8}=\sqrt{128}=8\sqrt{2} \approx 11.314\\f(8)-f(7)=11.314-10.247=1.067 \approx 1.07[/tex]

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