hexing8033 hexing8033

03-04-2021
Mathematics

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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=

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surjithayer10otahza surjithayer10otahza

03-04-2021

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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