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let f be a function such that f(x)=2x-4 is defined on the domain 2<=x<=6. the range of this function is..................

a.0<=y<=8
b.0<=y<00(infinity)
c. 2<=y<=6
d.-00

Respuesta :

Amberruth
the answer is (a) 0<=y<=8. because 2(2)-4=0 and 2(6)-4=8.
Cetacea

The range is a. [tex]0\le y\le8[/tex].

Given that the domain is [tex]2\le x\le6[/tex].

For x = 2, f(x) = f(2) = 2(2) - 4 = 0.

For x = 6, f(x) = f(6) = 2(6) - 4= 8.

It means the range is [tex]0\le y\le8[/tex].

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