Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th
Advertisement Remove all ads

The function f and g are defined by f(x) = 6x + 8; g(x) = x-23 Calculate the value of gg(12) - Mathematics

Sum

The function f and g are defined by f(x) = 6x + 8; g(x) = `(x - 2)/3`

 Calculate the value of `"gg" (1/2)`

Advertisement Remove all ads

Solution

`"gg" (1/2) = "g"["g"(1/2)]`

= `"g"[1/2 - 2 ÷ 3]`

= `"g"[(1 - 4)/2 ÷ 3]`

= `"g"[(-3)/2 xx 1/3]`

= `"g"[- 1/2]`

= `[- 1/2 - 2 ÷ 3]`

= `[(-1 - 4)/2 ÷ 3]`

= `[(-5)/2 xx 1/3]`

`"gg" (1/2) = - 5/6`

Concept: Functions
  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Samacheer Kalvi Mathematics Class 10 SSLC Tamil Nadu State Board
Chapter 1 Relations and Functions
Unit Exercise – 1 | Q 9. (i) | Page 34
Advertisement Remove all ads
Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×