aliseiar aliseiar

16-11-2020
Mathematics

contestada

if f(x)=(x+1)(x-2)/(x-1),then calculate f(7). round answers to two decimal places.

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jimrgrant1 jimrgrant1

16-11-2020

Answer:

f(7) ≈ 6.67

Step-by-step explanation:

To evaluate f(7), substitute x = 7 into f(x) , that is

f(7) = [tex]\frac{(7+1)(7-2)}{7-1}[/tex] = [tex]\frac{8(5)}{6}[/tex] = [tex]\frac{40}{6}[/tex] ≈ 6.67 ( to 2 dec. places )

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