f(x)=2x-10
y=2x-10
interchanging value of x and y,
x=2y-10
y=(x+10)/2
so inverse of given function is (x+10)/2
the science club has 42 people and the robotics club has 33
step-by-step explanation:
60: 45 =12: 9 =4: 3 so the answer is 4: 3