Which of the functions is graphed?
y=-0.5cos(x) - 1
y=-0.5sin(x) + 1
y = 0.5sin(x) - 1
y = 0.5cos(x) + 1
DONE

Plz 20 points polynomials 1: subtract and simplify (–y^2 – 4y – 8) – (–4y^2 – 6y + 3) 2: multiply and simplify 2x^2 y^3 z^2 · 4xy^4 x^2 3: multiply and simplify (x – 4) (x2 – 5x – 6)