Answer:
A.) 10 years old
Step-by-step explanation:
Sam: John - 14
S = J - 14
S x J = 240
10 = J - 14
0 = J - 14 - 10
-J = -24
J = 24
10 x 24 = 240
To find the inverse function, interchange the variables and solve for y.
f^-1(n) = 1/2 + n/3
Answer:
1680
Step-by-step explanation:
280 x 6 = 1680