Better labeling so I can understand.
It's D<span>
the inverse is basically the operation that will undo your original function
</span>
(f○g)(x)=f(g(x))
(f○g)(x)=6(4x+1)
(f○g)(x)=24x+6
It takes alvin 20 weeks, and it takes buzzy 15 weeks
Answer:
t= <u>r-21</u>
7
Step-by-step explanation:
r = 7(t+3)
expanding the bracket
r = 7t + 21
bringing t to the left hand side
7t = r - 21
divide both sides by seven
t= <u>r-21</u>
7