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Plug x = -5 into f(x)
f(x) = 2x-20
f(-5) = 2(-5) - 20
f(-5) = -10-20
f(-5) = -30
Then plug x = -5 into g(x)
g(x) = x-1
g(-5) = -5-1
g(-5) = -6
Divide the two results
(f/g)(-5) = f(-5)/g(-5)
(f/g)(-5) = (-30)/(-6)
(f/g)(-5) = -5
For this case we have the following functions:
[tex]f (x) = 2x-20\\g (x) = x-1[/tex]
We must find [tex]\frac {f (-5)} {g (-5)}[/tex], then:
We have in mind that:
[tex]+ * - = -[/tex]
Equal signs are added and the same sign is placed.
[tex]\frac {f (-5)} {g (-5)} = \frac {2 (-5) -20} {- 5-1} = \frac {-10-20} {- 6} = \frac {-30} {- 6} = 5[/tex]
Answer:
5
