Answer: c
Step-by-step explanation:
Inverse, baseically
replace f(x) with y
switch all x and y
solve for y
replace y with f⁻¹(x)
f(x)=6(x+2)-3
replace with y
y=6(x+2)-3
switch x and y
x=6(y+2)-3
solve for y
x=6y+12-3
x=6y+9
minus 9
x-9=6y
divide 6
1/6x-3/2=y
replace
f⁻¹(x)=1/6x-3/2
when x=21
f⁻¹(21)=1/6(21)-3/2
f⁻¹(21)=21/6-3/2
f⁻¹(21)=21/6-9/6
f⁻¹(21)=12/6=
f⁻¹(21)=2
answer is f⁻¹(21)=2
inverse function is
f⁻¹(x)=1/6x+3/2
Answer:
third option and last option are the correct answers
Multiplying 37.4 x 0.7 gives you answer less than 37.4 because....
There is one decimal point in 37.4 and one decimal point in 0.7
When multiplied you have to move the decimal point TWO times.
As you move the decimal point to the left the value decreses.
Hope I helped!
-Char
A reduced your fractions bg 4 to get 7/3. The answer is A.