Answer:
f(- 2) = - 9.2
Step-by-step explanation:
To evaluate f(- 2) substitute x = - 2 into f(x) , that is
f(- 2) = 3.6(- 2) - 2 = - 7.2 - 2 = - 9.2
The cosine ratio is adjacent leg divided by the hypotenuse.
The hypotenuse in a right triangle is the longest side and it is opposite the right angle.
An adjacent leg is the side that has an endpoint that is at the vertex of the angle and the other endpoint is at the vertex of the right angle.
cos A =

ANSWER:
Answer:

Step-by-step explanation:
The combined distance that both planes will cover is 200 miles
Time taken by both planes will be the same (t)

So, the combined distance is

They will meet in
.
NUMBER 2 is 240 because 6 times 4 times 10 is equal to 240. I am still working on the others
Hello,
Answer D:
the roots are -5,1+4i,1-4i,-4i,4i.