Answer:
f(- 2) = - 4
Step-by-step explanation:
Step-by-step explanation:
To evaluate f(- 2) substitute x = - 2 into f(x) , that is
f(- 2) = (- 2)² + 3(- 2) - 2 = 4 - 6 - 2 = - 4
Answer:
Given point (5,-12) falls into IV quadrant
<u>The right triangle with legs of 5 and -12, and hypotenuse is:</u>
- √5² + (-12)² = √25+144 = √169 = 13
<u>Value of sinθ, cosθ, and tanθ:</u>
- sin θ = -12/13
- cos θ = 5/13
- tan θ = -12/5
Answer:
90
Step-by-step explanation:
Angle 2 = 180 - 68 = 112
Angle 3 = 90 - 68 = 22
Angle 2 - Angle 3 = 112 - 22 = 90
Answer: The one in the down right corner
Step-by-step explanation:
Hope this helps :)
Answer:
Solve for the first variable in one of the equations, then substitute the result into the other equation.
x = 5 x = 4
Step-by-step explanation: