Iwill make brainliest explain how you could estimate to check your answer too (19 points)

you could estimate to check your answer

Step-by-step explanation:

If you estamate you can do the problem faster it will save you lots of time

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f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!