An archaeologist discovers the two artifacts shown. a.) What integer represents ground level?
The integer _ represents ground level.
b.) A dinosaur bone is 42 centimetres below ground level. Is it deeper than both of the artifacts?
Yes or No
Explain.

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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

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