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Camron Moreno
Mathematics
27 August, 13:06
Let f (x) = 8x - 7 what is f (4)
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Mira Cohen
27 August, 13:18
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Answer
25
Step-by-step explanation:
plug 4 into x. 8 times 4 equals 32. Subtract 7 from 32 and you'll get 25
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Herp Derp
27 August, 13:23
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f (4) = 25
Step-by-step explanation:
f (x) = 8x - 7
If we want to know when x = 4 what is the y value we have to subsitute 4 for x!
So ...
f (4) = 8 (4) - 7
f (4) = 32 - 7
f (4) = 25!
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