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
Answer:
Hello!!!
Given expression
to find f(-5), substitute -5 in the position of x.
Multiply -4 by -5 gives +27
Hope it helps!!!
add 7 and 20
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