Convert the following statement into equations.
(a) 5 times a no. decrease by 2 is 4.
(b) 3 subtracted from a number is equal to 12.
If f:N→N is the function defined by f(x) = x2 – 3x + 4, then find its Range.
Prove that 3^2n when divide by 8 leaves a remainder 1 for all set of natural numbers by mathematical induction