Let f(x)=y
f^-1(x)=x
y=1/(x+5) - 1
y+1=1/(x+5)
(x+5)=1/(y+1)
x=1/(y+1)-5
f^-1(x)=1/(x+1) -5
denominator cannot equals to zero
x+1≠0
x≠-1
answer
B
The question asks for sales tax rate. Sales tax is 39.90-38=1.90 and that's taxed onto the original $38 so 1.9/38=0.05
5% tax on the blazer
Answer:
(22,2) and (18,6)
Step-by-step explanation:
Heyyyy so the equation is y=24-x
So let's do 24-x to get y
24-18=6
Same thing
24-22=2
I also did this on Khan so yeah its right :D
It could possible be either 21 or 23
Answer:
false
Step-by-step explanation:
a natural number is a number you count by, you wouldn't cound by decimals or fractions
