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:
Just remember area equals length times width it’s like a window to a door etc!!
Answer:
77
Step-by-step explanation:
Add all the numbers together (74+88+79+70+74) then divide by the amount of numbers there are (in this case 5) So (74+88+79+70+74=385) (385/5=77)
Answer:
-4,-8 : 8,8
Step-by-step explanation:
Answer:
-$100
Step-by-step explanation:
If Amy subtracted $5 from her bank balance 20 times, it is ...
$5 × 20 = $100
<em>less</em> than it was.
The amount of change totaled -$100.