# If # f(x) = 3x # then find #f(t)#, #f(2t)# and #f(t+2)#?

##### 1 Answer

Mar 13, 2017

We have:

# f(x) = 3x #

Thus:

(i)

# \ \ f(t) \ \ \ \ \ \ = 3t#

(ii)#\ f(2t) \ \ \ \ = 3(2t) = 6t#

(iii)#f(t+2) = 3(t+2) = 3t+6#