Let f(x) = 3x ­- 6 and g(x) = x ­- 2. Find f(g(5)) ( ie.(f∘g)(5)) and its domain: 1; all real numbers 3; all real numbers except x =

Question

Let f(x) = 3x ­- 6 and g(x) = x ­- 2. Find f(g(5)) ( ie.(f∘g)(5)) and its domain: 1; all real numbers 3; all real numbers except x = 3 3; all real numbers except x = 2 3; all real numbers

in progress 0
2022-05-12T21:32:38+00:00 2 Answers 0

Answers ( 2 )

  1. Everleigh
    0
    2022-05-12T21:33:58+00:00

    f(x)=3x-6
    g(x)=x-2
    (f o g)(5)=?

    (f o g)(x)=f(g(x))=f(x-2)=3(x-2)-6=3x-6-6u2192(f o g)(x)=3x-12
    Domain of (f o g)(x)= All real numbers

    (f o g)(5)=3(5)-12=15-12u2192(f o g)(5)=3

    Answers:
    f(g(5))=3
    Domain:All real numbers

  2. Daisy
    0
    2022-05-12T21:34:24+00:00

    (B) 3; all real numbers except x=2

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