alj1456 alj1456

04-09-2019
Mathematics

contestada

Find f(t + 2) when f(x) = 3x +9.
A. 3t+ 36
B. 3t+ 9
c. 3t+15
D 2t + 15

All answers have square root symbols over them . I'd appreciate the help

Respuesta :

anonymous12345678901 anonymous12345678901

04-09-2019

Basically just substitute t+2 for every x

f(t+2)=3(t+2)+9
f(t+2)=3t+6+9
f(t+2)=3t+15

Idk where the square roots are supposed to come from tho

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