Answer:
<h2>
m = -11</h2>
Step-by-step explanation:
y=mx+b =D
Answer:
72
Step-by-step explanation:
I did the math
please mark brainliest
number is 21
let the number be n then dividing by 3 gives
and adding - 3 gives
- 3 = 4 ( add 3 to both sides )
= 7 ( multiply both sides by 3 )
n = 3 × 7 = 21
Answer:
10:4
Step-by-step explanation:
10:4 because it says birds to dogs
Answer:
f(x)=4−(x−7)
3
Let y=f(x)
So, x=f
−1
(y) ---- ( 1 )
y=f(x)
⇒ y=4−(x−7)
3
⇒ (x−7)
3
=4−y
⇒ x−7=
3
4−y
⇒ x=7+
3
4−y
⇒ f
−1
(y)=7+
3
4−y
.................. [ From ( 1 ) ]
∴ f
−1
(x)=7+
3
4−x