g(x) = 2x-5. Find g(3), g( 1/2), g(0), g(4), g(4). If g(a) - 99, find a.
f(x)= 3-4x. Find f(1), f(3), f(-2) ,f(1/2)
f(x)= x+3. find f(1), f(2), f(-3),f(0),f(1/2).
solve these please right now. no silly answer wolud not be allowed.