When I factor[ 2cos (square) - 5cos -3], I get (2cos + 1)(cos - 3). 2cos + 1 = 0, 2cos = -1, cos = -0.5,. Using inv cos on calculator, I get 120 degree related angle.
D. 5x = 45 because you are trying to find x, the number of tickets that must be sold to earn $45.
Answer:
2
Step-by-step explanation:
hope this helps
Answer:
f(- 3) = 18
Step-by-step explanation:
To evaluate f(- 3) substitute x = - 3 into f(x)
f(- 3) = (- 3)² - 2(- 3) + 3 = 9 + 6 + 3 = 18
Answer:
The vertex is 3, -5
Step-by-step explanation:
the vertex is known as like an endpoint/edge of a graph. It’s like the tip or bottom of the U
