The answer is
3 + (2) (4) - 4
answer is 7
Answer:
y= -11/7x+8
move variables to the right hand side and change its sign
-7y=-56+11x
change the signs on both sides of the equation
7y=56-11x
divide both sides by 7
y=8-11/7 x
reorder the terms and get y= -11/7x+8
F(x) = 2x + 1 when x <= -5
Now -10 is less than -5 so we plug x = -10 into 2x +1:-
f(-10) = 2(-10) + 1 = -19 answer
Now f(x) = x^2 when -5< x < 5
x =2 is within this range so f(2) = 2^2 = 4 answer
You can calculate the other 3 values by a similar method
To find the perimeter you add all the side up. A square has four sides. Area, need to multiply 2 sides together. So, divide 25 by 4 and get 6.25. times 6.25 by 6.25 to get 39.0625. YOUR ANSWER IS 39.0625.
