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OpenStudy (anonymous):
Can someone tell me how to do Let f(x) = 9x - 4.5. Find the value of f(2)? I just want to know how to do it.
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myininaya (myininaya):
Replace the x in the expression 9x-4.5 with 2.
myininaya (myininaya):
9(2)-4.5 then just do order of operations
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