Show that the function of f(x) = a - x is its own inverse for all real numbers a

f(x) = a - x

y = a - x

y + x = a - x + x

y + x = a

y + x - y = a - y

x = a - y

f-¹(x) = a - x

three-fourths of an hour

36÷48=0.75

0.75=

answer: the answer is 5/22

step-by-step explanation: if you subtract 17 from 22 the answer is 5 therefore the remainder of students are female