Please help! Verify that f and g are inverse functions:
1.f(x)5x+2;g(x)=(x-2)/5
2. f(x)=1/2x-7;g(x)=2x+14

Please tell me the answer to both :)

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?