Answer:

Step-by-step explanation:
you should see 2 triangles with angle 60 bounded by two equal sides of 4

The answer is D, the yellow
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Answer:
See below
Step-by-step explanation:
The derivative of the function is the slope
2x^2 - x -1 take derivative ( f ' )
4x -1 equate to 7
7 = 4x -1
x = 2 sub into the original equation to find y = 5
Answer:
7.5
You know, you can just use a calculator.