Answer:
If the radius of the sphere is doubled, the volume would be multiplied by 4. Think of the sphere as a cube instead and if you were to double the sides, the area would be 4 times bigger. Hope this helps! :)
Answer: 87.85 dollars to buy 7 pairs
Solution given:
x²-36
x²-6²
(x+6)(x-6)
is your answer
C. f(-1) =12
Step-by-step explanation:
f(x)= 3x^2+9
Let x=-1
f(-1) = 3(-1)^2 +9
= 3(1)+9
= 3+9
= 12
f(-1) =12
To find the inverse you switch x and y
3y-4x=6
So 3y = 4x+6
and Y = 4/3x + 2