Answer:
f^(-1)(x)=(x-7)/3
Step-by-step explanation:
f(x) = 3x+7
(f(x)-7) = 3x
f^(-1)(x)=(x-7)/3
Answer:
the first one on the top and the second one on the bottom
Let 2_1/2 = 5/2.
Let t = time to fill 8 tires
(5/2)/8 = (5/2)/t
8(5/2) = (5/2)t
20 = (5/2)t
20 ÷ 5/2 = t
20 • 2/5 = t
8 seconds = t
Done.
The answer is (2x + 1)(x - 3)
