Х - Зу = 72х - бу = 12need help.solving systems by elimination.
1 answer:
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Answer:
A has to be 2
Step-by-step explanation:
In the expression , the multiplicative factor A represents what is called the "amplitude of the wave-shaped function that you obtain as the graph. Such amplitude is understood as half of the crest-to-through distance of the wavy curve.
From the drawing, the crest is at y=2 and the through at y=-2 (a distance of 4 units) therefore the value of A should be half of that distance: 4/2 = 2
Answer:
After 3 seconds
Step-by-step explanation:
Given
Required
Seconds to attain maximum height
The maximum of a quadratic function is calculated using:
So, we have:
Where:
and
So:
Cancel out negatives