Because the decimal is over 40 the answer is 15
Replace f(x) with y
switch x and y
solve for y
replace y with f⁻¹(x)
f(x)=x-1
y=x-1
x=y-1
x+1=y
x+1=f⁻¹(x)
f⁻¹(x)=x+1
Answer:
Step-by-step explanation:
(5 - 1)/2= 4/2 = 2
(5+3)/2= 8/2= 4
(2,4)
Answer:
x = 17, -3
Step-by-step explanation:
I'm not sure why this is the answer I only know because I've had it before
pretty sure you have to use (b/2) ^2