473,251 views
19 votes
19 votes
G(t)=1²-2t
f(t)=t+5
Find (gof)(2)

pls help!!

User Gregory Thomas
by
2.5k points

1 Answer

29 votes
29 votes

Answer:

(g ○ f)(2) = - 13

Explanation:

to evaluate (g ○ f)(2), first evaluate f(2) then substitute the value obtained into g(x)

f(2) = 2 + 5 = 7 , then

g(7) = 1² - 2(7) = 1 - 14 = - 13

User Jens Roland
by
2.9k points