Solve f(1) for f(x)=1-5x f(1)= [?]

1 answer:

5 0

The answer is: "- 4 " .
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" f(x) = - 4 " .
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Explanation:
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Given: " f(x) = 1 – 5x " ; Find: " f(1) " ;

Substitute "1" for values of "x" ;

→ f(1) = 1 – 5(1) = 1 – 5 = - 4 .

The answer is: "- 4 " .
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" f(x) = - 4 " .
________________________________________

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$(f+g)(x) = f(x)+g(x)\\\\(f+g)(x) = \frac{x-23}{x^2+9x-36}+\frac{1}{x+12}\\\\(f+g)(x) = \frac{x-23}{(x+12)(x-3)}+\frac{1(x-3)}{(x+12)(x-3)}\\\\(f+g)(x) = \frac{x-23+1(x-3)}{(x+12)(x-3)}\\\\(f+g)(x) = \frac{x-23+x-3}{x^2+9x-36}\\\\(f+g)(x) = \frac{2x-26}{x^2+9x-36}\\\\$