Answer:
A=πr^2
Step-by-step explanation:
A=Area
r=Radius
Answer:
6x^2 -10
Step-by-step explanation:
(5x²+2) - (-4x²+7)+(-3x²-5)
Distribute the minus sign
(5x²+2) +4x²-7 +(-3x²-5)
Combine like terms
5x²+4x²-3x² +2-7-5
6x^2 -10
Answer:
-9
Step-by-step explanation:
f(2) - f(4) / 2-4
[2²+3(2)] - [4²+3(4)] / -2
(10 - 28) / 2
= -18/2
= -9