Can someone please help me out I’m so lost !!!!!!!
2 answers:
Hello!
Let's quickly review our trigonometric ratios.
Sin= Opposite/Hypotenuse
Cos= Adjacent/Hypotenuse
Tan= Opposite/ Adjacent
Let's find these for angle G.
Opposite:15
Adjacent: 8
Hypotenuse: 17
First of all, we have sin G= 8/15. The adjacent side is 8, which is not the opposite or hypotenuse, so A is incorrect.
We have cos G= 8/15. That is the adjacent divided by the opposite, not adjacent over hypotenuse, so B is incorrect.
Finally, we have sin G= 15/17. This is the opposite divided by the hypotenuse, so it is correct.
Therefore, our answer is .
I hope this helps!
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Write the function as
f(x) = x² + 6x - 4
Note that
x² + 6x = (x + 3)² - 9
Therefore
f(x) = (x 3)² - 9 - 4
= (x + 3)² - 13
The vertex is at (-3, -13)., and the curve opens upward.
The axis of symmetry is x = -3.
Answer:
The vertex of the function is (-3, 13).
The graph increases over the interval (-3, -∞)
f(x) = x² + 6x - 4
Note that
x² + 6x = (x + 3)² - 9
Therefore
f(x) = (x 3)² - 9 - 4
= (x + 3)² - 13
The vertex is at (-3, -13)., and the curve opens upward.
The axis of symmetry is x = -3.
Answer:
The vertex of the function is (-3, 13).
The graph increases over the interval (-3, -∞)