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A fiction is shown f(X) = 7-4x what is the value of f(-5)

User Ftrotter
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2 Answers

3 votes

Explanation:

To find the value of f(-5) in the function f(x), just put '- 5' into the function where 'x' is:

f(x ) = 7 - 4x

f(-5 ) = 7 - 4 (-5) = 7 + 20 = 27

User Sunmoon
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8.6k points
2 votes

Answer:


f( - 5) = 27

Explanation:

Hello!!!

Given expression


f(x) = 7 - 4x

to find f(-5), substitute -5 in the position of x.


f( - 5) = 7 - 4( - 5)

Multiply -4 by -5 gives +27


f( - 5) = 7 + 20

Hope it helps!!!

add 7 and 20


f( - 5) = 27

User D R
by
8.4k points

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