Hello,
f^(-1)(f(x))=f^(-1)(1/2 * x)=2*(1/2 * x)=(2*1/2)*x=1*x=x
f(f^(-1)(x))=f(2x)=1/2* (2x)=(1/2*2)*x=1*x=x
Answer:
22.5
Step-by-step explanation:
Hey there! first, we find 25% of 30 which equals 7.5 then we subtract 30 - 7.5 which is 22.5
Answer:
Step-by-step explanation:
f(x) = (x + 3)(x + 12)
f(x) = x^2 + 3x + 12x + 36
f(x) = x^2 + 15x + 36
Answer:
6.88
Step-by-step explanation:
Answer:
its D
Step-by-step explanation: