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in Relations and Functions by (47.4k points)
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If K(x) = 3x – 9 then L(x) = 7x – 10 then LOK is …

(1) 21x + 73

(2) – 21x + 73

(3) 21x – 73

(4) 22x – 73

1 Answer

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Best answer

(3) 21x – 73

K(x) = 3x – 9; L(x) = 7x – 10

LOK = L[K(x)]

= L(3x – 9)

= 7(3x – 9) – 10

= 21x – 63 – 10

= 21x – 73

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