7,000lbs x 1=3.5 tons. 3.5 tons is 7,000lbs.
Answer:
y = -(x + 5)² + 4
Step-by-step explanation:
The roots are -3 and -7, so:
y = a (x + 3) (x + 7)
Distribute and complete the square:
y = a (x² + 10x + 21)
y = a (x² + 10x + 25 − 4)
y = a (x² + 10x + 25) − 4a
y = a (x + 5)² − 4a
The vertex is (-5, 4), so a = -1.
y = -(x + 5)² + 4
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Answer:
<h2>D. y = 8x² + 8x + 4</h2>
Step-by-step explanation:
The equation of a linear function is in form:

We have:



