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Find f(m - 1) when f(×) = 5×^2+4× - 5​
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1 vote
Find f(m - 1) when f(×) = 5×^2+4× - 5​

User IAmoric
by
8.4k points

1 Answer

7 votes

Answer:

5m² - 6m + 1

Explanation:

f(x) = 5x² + 4x - 5

substituting value,

f(m-1) = 5(m-1)² + 4(m-1) - 5

so,

5(m-1)² + 4(m-1) - 5

= 5(m²-2m+1) + 4m -1 - 5

= 5m² - 10m + 5 + 4m - 4

= 5m² - 6m + 1

User Manalang
by
8.8k points
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