The function f is defined on the set of real numbers f(x) equals to 4x + 3 find f^-1(x) and hence determine f^-1(½)
given the mapping g: x=3+x/2x-1 , determine g(⅓)
it is urgent i will mark brainliest

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Im so bad at fractions they are not my best math thing to work on

What is the length of ac in the given triangle?