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02-03-2019
Mathematics

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a function is defined by f(x)=5(2-x) what us f(-1)

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jimrgrant1 jimrgrant1

02-03-2019

Answer:

15

Step-by-step explanation:

To evaluate f(- 1) substitute x = - 1 into f(x), that is

f(- 1) = 5(2 - (- 1)) = 5(2 + 1) = 5 × 3 = 15

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