A relation R on a set A is called an equivalence relation iff

If f:A → B and g:B → C are onto, then gof:A → C is _________

Let f: A → B, g:B →C and h: C → D then

The function f:R → R defined by f(x) = x² is _________

Let f be exponential function and g be logarithmic function. Find (gof) (1)

Find fog if f(x) = |x| and g(x) = |5x - 2|

Let f:{2, 3, 4, 5} → {3, 4, 5, 9} and g = {3, 4, 5, 9} → {7, 11, 15} be functions defined as f(2) = 3, f(3) = 4,
f(4) = f(5) = 5 and g(3) = g(4) = 7 and g(5) = g(11) = 11 .Find gof(3)

If f:R → R is defined by f(x) = x² - 3x + 2 then f(f (x)) = _______.

Let f be exponential function and g be logarithmic function find fog(1)

The relation 'is parallel to' on the set A of all coplanar straight line is an __________ relation.